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Finding the Fourth Proportional to 249,801.60, 374,721.96 and 72,311.28

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Solution

The fourth proportional to 249,801.60, 374,721.96 and 72,311.28 is: 108,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801.60 : 374,721.96 = 72,311.28 : x
  2. Step 2: Convert to fraction form
    249,801.60/374,721.96 = 72,311.28/x
  3. Step 3: Cross multiply
    249,801.60x = 374,721.96 × 72,311.28
  4. Step 4: Simplify right side
    249,801.60x = 27,096,624,571.71
  5. Step 5: Solve for x
    x = 27,096,624,571.71/249,801.60
  6. Step 6: Final answer
    x = 108,472.58

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