Finding the Fourth Proportional to 42,116.91, 63,158.76 and 15,807.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,116.91 : 63,158.76 = 15,807.30 : x
2. Step 2: Convert to fraction form
   42,116.91/63,158.76 = 15,807.30/x
3. Step 3: Cross multiply
   42,116.91x = 63,158.76 × 15,807.30
4. Step 4: Simplify right side
   42,116.91x = 998,369,466.95
5. Step 5: Solve for x
   x = 998,369,466.95/42,116.91
6. Step 6: Final answer
   x = 23,704.72