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Finding the Fourth Proportional to 42,655.87, 63,992.99 and 13,075.75

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Solution

The fourth proportional to 42,655.87, 63,992.99 and 13,075.75 is: 19,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.87 : 63,992.99 = 13,075.75 : x
  2. Step 2: Convert to fraction form
    42,655.87/63,992.99 = 13,075.75/x
  3. Step 3: Cross multiply
    42,655.87x = 63,992.99 × 13,075.75
  4. Step 4: Simplify right side
    42,655.87x = 836,756,338.99
  5. Step 5: Solve for x
    x = 836,756,338.99/42,655.87
  6. Step 6: Final answer
    x = 19,616.44

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