Finding the Fourth Proportional to 10,607.88, 15,915.06 and 3,687.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,607.88 : 15,915.06 = 3,687.24 : x
2. Step 2: Convert to fraction form
   10,607.88/15,915.06 = 3,687.24/x
3. Step 3: Cross multiply
   10,607.88x = 15,915.06 × 3,687.24
4. Step 4: Simplify right side
   10,607.88x = 58,682,645.83
5. Step 5: Solve for x
   x = 58,682,645.83/10,607.88
6. Step 6: Final answer
   x = 5,531.99