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Finding the Fourth Proportional to 58,557.80, 87,815.10 and 19,116.20

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Solution

The fourth proportional to 58,557.80, 87,815.10 and 19,116.20 is: 28,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,557.80 : 87,815.10 = 19,116.20 : x
  2. Step 2: Convert to fraction form
    58,557.80/87,815.10 = 19,116.20/x
  3. Step 3: Cross multiply
    58,557.80x = 87,815.10 × 19,116.20
  4. Step 4: Simplify right side
    58,557.80x = 1,678,691,014.62
  5. Step 5: Solve for x
    x = 1,678,691,014.62/58,557.80
  6. Step 6: Final answer
    x = 28,667.25

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