Finding the Fourth Proportional to 9,359.59, 12,915.71 and 5,587.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.59 : 12,915.71 = 5,587.02 : x
2. Step 2: Convert to fraction form
   9,359.59/12,915.71 = 5,587.02/x
3. Step 3: Cross multiply
   9,359.59x = 12,915.71 × 5,587.02
4. Step 4: Simplify right side
   9,359.59x = 72,160,237.57
5. Step 5: Solve for x
   x = 72,160,237.57/9,359.59
6. Step 6: Final answer
   x = 7,709.76