Finding the Fourth Proportional to 25,111.20, 34,658.20 and 16,613.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.20 : 34,658.20 = 16,613.48 : x
2. Step 2: Convert to fraction form
   25,111.20/34,658.20 = 16,613.48/x
3. Step 3: Cross multiply
   25,111.20x = 34,658.20 × 16,613.48
4. Step 4: Simplify right side
   25,111.20x = 575,793,312.54
5. Step 5: Solve for x
   x = 575,793,312.54/25,111.20
6. Step 6: Final answer
   x = 22,929.74