Finding the Fourth Proportional to 17,601.88, 26,402.36 and 5,915.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,601.88 : 26,402.36 = 5,915.10 : x
2. Step 2: Convert to fraction form
   17,601.88/26,402.36 = 5,915.10/x
3. Step 3: Cross multiply
   17,601.88x = 26,402.36 × 5,915.10
4. Step 4: Simplify right side
   17,601.88x = 156,172,504.32
5. Step 5: Solve for x
   x = 156,172,504.32/17,601.88
6. Step 6: Final answer
   x = 8,872.49