Finding the Fourth Proportional to 9,356.87, 12,915.17 and 5,532.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,356.87 : 12,915.17 = 5,532.05 : x
2. Step 2: Convert to fraction form
   9,356.87/12,915.17 = 5,532.05/x
3. Step 3: Cross multiply
   9,356.87x = 12,915.17 × 5,532.05
4. Step 4: Simplify right side
   9,356.87x = 71,447,273.96
5. Step 5: Solve for x
   x = 71,447,273.96/9,356.87
6. Step 6: Final answer
   x = 7,635.81