Finding the Fourth Proportional to 42,507.12, 63,789.72 and 14,805.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507.12 : 63,789.72 = 14,805.12 : x
2. Step 2: Convert to fraction form
   42,507.12/63,789.72 = 14,805.12/x
3. Step 3: Cross multiply
   42,507.12x = 63,789.72 × 14,805.12
4. Step 4: Simplify right side
   42,507.12x = 944,414,459.37
5. Step 5: Solve for x
   x = 944,414,459.37/42,507.12
6. Step 6: Final answer
   x = 22,217.79