Finding the Fourth Proportional to 42,480.72, 63,695.76 and 16,187.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,480.72 : 63,695.76 = 16,187.52 : x
2. Step 2: Convert to fraction form
   42,480.72/63,695.76 = 16,187.52/x
3. Step 3: Cross multiply
   42,480.72x = 63,695.76 × 16,187.52
4. Step 4: Simplify right side
   42,480.72x = 1,031,076,388.92
5. Step 5: Solve for x
   x = 1,031,076,388.92/42,480.72
6. Step 6: Final answer
   x = 24,271.63