Finding the Fourth Proportional to 8,829.50, 13,240.01 and 5,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,829.50 : 13,240.01 = 5,132.72 : x
2. Step 2: Convert to fraction form
   8,829.50/13,240.01 = 5,132.72/x
3. Step 3: Cross multiply
   8,829.50x = 13,240.01 × 5,132.72
4. Step 4: Simplify right side
   8,829.50x = 67,957,172.26
5. Step 5: Solve for x
   x = 67,957,172.26/8,829.50
6. Step 6: Final answer
   x = 7,696.61