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Finding the Fourth Proportional to 518,579.06, 777,999.82 and 144,602.06

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Solution

The fourth proportional to 518,579.06, 777,999.82 and 144,602.06 is: 216,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,579.06 : 777,999.82 = 144,602.06 : x
  2. Step 2: Convert to fraction form
    518,579.06/777,999.82 = 144,602.06/x
  3. Step 3: Cross multiply
    518,579.06x = 777,999.82 × 144,602.06
  4. Step 4: Simplify right side
    518,579.06x = 112,500,378,235.12
  5. Step 5: Solve for x
    x = 112,500,378,235.12/518,579.06
  6. Step 6: Final answer
    x = 216,939.68

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