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Finding the Fourth Proportional to 145,566.48, 218,303.28 and 56,798.40

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Solution

The fourth proportional to 145,566.48, 218,303.28 and 56,798.40 is: 85,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,566.48 : 218,303.28 = 56,798.40 : x
  2. Step 2: Convert to fraction form
    145,566.48/218,303.28 = 56,798.40/x
  3. Step 3: Cross multiply
    145,566.48x = 218,303.28 × 56,798.40
  4. Step 4: Simplify right side
    145,566.48x = 12,399,277,018.75
  5. Step 5: Solve for x
    x = 12,399,277,018.75/145,566.48
  6. Step 6: Final answer
    x = 85,179.48

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