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Finding the Fourth Proportional to 57,998.45, 87,009.96 and 18,558.63

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Solution

The fourth proportional to 57,998.45, 87,009.96 and 18,558.63 is: 27,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.45 : 87,009.96 = 18,558.63 : x
  2. Step 2: Convert to fraction form
    57,998.45/87,009.96 = 18,558.63/x
  3. Step 3: Cross multiply
    57,998.45x = 87,009.96 × 18,558.63
  4. Step 4: Simplify right side
    57,998.45x = 1,614,785,653.95
  5. Step 5: Solve for x
    x = 1,614,785,653.95/57,998.45
  6. Step 6: Final answer
    x = 27,841.88

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