Finding the Fourth Proportional to 9,359.56, 12,910.50 and 5,580.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.56 : 12,910.50 = 5,580.24 : x
2. Step 2: Convert to fraction form
   9,359.56/12,910.50 = 5,580.24/x
3. Step 3: Cross multiply
   9,359.56x = 12,910.50 × 5,580.24
4. Step 4: Simplify right side
   9,359.56x = 72,043,688.52
5. Step 5: Solve for x
   x = 72,043,688.52/9,359.56
6. Step 6: Final answer
   x = 7,697.34