Finding the Fourth Proportional to 42,422.72, 63,625.28 and 16,118.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,422.72 : 63,625.28 = 16,118.24 : x
2. Step 2: Convert to fraction form
   42,422.72/63,625.28 = 16,118.24/x
3. Step 3: Cross multiply
   42,422.72x = 63,625.28 × 16,118.24
4. Step 4: Simplify right side
   42,422.72x = 1,025,527,533.11
5. Step 5: Solve for x
   x = 1,025,527,533.11/42,422.72
6. Step 6: Final answer
   x = 24,174.02