Finding the Fourth Proportional to 42,654.88, 63,987.72 and 14,580.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,654.88 : 63,987.72 = 14,580.32 : x
2. Step 2: Convert to fraction form
   42,654.88/63,987.72 = 14,580.32/x
3. Step 3: Cross multiply
   42,654.88x = 63,987.72 × 14,580.32
4. Step 4: Simplify right side
   42,654.88x = 932,961,433.67
5. Step 5: Solve for x
   x = 932,961,433.67/42,654.88
6. Step 6: Final answer
   x = 21,872.33