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Finding the Fourth Proportional to 45,509.82, 68,264.72 and 14,345.06

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Solution

The fourth proportional to 45,509.82, 68,264.72 and 14,345.06 is: 21,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.82 : 68,264.72 = 14,345.06 : x
  2. Step 2: Convert to fraction form
    45,509.82/68,264.72 = 14,345.06/x
  3. Step 3: Cross multiply
    45,509.82x = 68,264.72 × 14,345.06
  4. Step 4: Simplify right side
    45,509.82x = 979,261,504.28
  5. Step 5: Solve for x
    x = 979,261,504.28/45,509.82
  6. Step 6: Final answer
    x = 21,517.59

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