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Finding the Fourth Proportional to 209,710.76, 314,701.41 and 76,579.88

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Solution

The fourth proportional to 209,710.76, 314,701.41 and 76,579.88 is: 114,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,710.76 : 314,701.41 = 76,579.88 : x
  2. Step 2: Convert to fraction form
    209,710.76/314,701.41 = 76,579.88/x
  3. Step 3: Cross multiply
    209,710.76x = 314,701.41 × 76,579.88
  4. Step 4: Simplify right side
    209,710.76x = 24,099,796,213.63
  5. Step 5: Solve for x
    x = 24,099,796,213.63/209,710.76
  6. Step 6: Final answer
    x = 114,919.22

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