Finding the Fourth Proportional to 9,580.89, 13,221.72 and 5,332.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,580.89 : 13,221.72 = 5,332.13 : x
2. Step 2: Convert to fraction form
   9,580.89/13,221.72 = 5,332.13/x
3. Step 3: Cross multiply
   9,580.89x = 13,221.72 × 5,332.13
4. Step 4: Simplify right side
   9,580.89x = 70,499,903.20
5. Step 5: Solve for x
   x = 70,499,903.20/9,580.89
6. Step 6: Final answer
   x = 7,358.39