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Finding the Fourth Proportional to 39,675.71, 59,484.39 and 18,913.79

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Solution

The fourth proportional to 39,675.71, 59,484.39 and 18,913.79 is: 28,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.71 : 59,484.39 = 18,913.79 : x
  2. Step 2: Convert to fraction form
    39,675.71/59,484.39 = 18,913.79/x
  3. Step 3: Cross multiply
    39,675.71x = 59,484.39 × 18,913.79
  4. Step 4: Simplify right side
    39,675.71x = 1,125,074,963.32
  5. Step 5: Solve for x
    x = 1,125,074,963.32/39,675.71
  6. Step 6: Final answer
    x = 28,356.77

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