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Finding the Fourth Proportional to 39,155.64, 58,760.16 and 15,783.84

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Solution

The fourth proportional to 39,155.64, 58,760.16 and 15,783.84 is: 23,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.64 : 58,760.16 = 15,783.84 : x
  2. Step 2: Convert to fraction form
    39,155.64/58,760.16 = 15,783.84/x
  3. Step 3: Cross multiply
    39,155.64x = 58,760.16 × 15,783.84
  4. Step 4: Simplify right side
    39,155.64x = 927,460,963.81
  5. Step 5: Solve for x
    x = 927,460,963.81/39,155.64
  6. Step 6: Final answer
    x = 23,686.52

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