Finding the Fourth Proportional to 42,380.72, 63,582.60 and 14,680.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380.72 : 63,582.60 = 14,680.88 : x
2. Step 2: Convert to fraction form
   42,380.72/63,582.60 = 14,680.88/x
3. Step 3: Cross multiply
   42,380.72x = 63,582.60 × 14,680.88
4. Step 4: Simplify right side
   42,380.72x = 933,448,520.69
5. Step 5: Solve for x
   x = 933,448,520.69/42,380.72
6. Step 6: Final answer
   x = 22,025.31