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Finding the Fourth Proportional to 39,453.99, 59,181.21 and 13,158.65

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Solution

The fourth proportional to 39,453.99, 59,181.21 and 13,158.65 is: 19,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.99 : 59,181.21 = 13,158.65 : x
  2. Step 2: Convert to fraction form
    39,453.99/59,181.21 = 13,158.65/x
  3. Step 3: Cross multiply
    39,453.99x = 59,181.21 × 13,158.65
  4. Step 4: Simplify right side
    39,453.99x = 778,745,063.21
  5. Step 5: Solve for x
    x = 778,745,063.21/39,453.99
  6. Step 6: Final answer
    x = 19,738.06

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