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Finding the Fourth Proportional to 58,131.95, 87,206.13 and 18,675.84

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Solution

The fourth proportional to 58,131.95, 87,206.13 and 18,675.84 is: 28,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,131.95 : 87,206.13 = 18,675.84 : x
  2. Step 2: Convert to fraction form
    58,131.95/87,206.13 = 18,675.84/x
  3. Step 3: Cross multiply
    58,131.95x = 87,206.13 × 18,675.84
  4. Step 4: Simplify right side
    58,131.95x = 1,628,647,730.90
  5. Step 5: Solve for x
    x = 1,628,647,730.90/58,131.95
  6. Step 6: Final answer
    x = 28,016.40

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