Finding the Fourth Proportional to 9,580.86, 13,221.83 and 5,332.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,580.86 : 13,221.83 = 5,332.20 : x
2. Step 2: Convert to fraction form
   9,580.86/13,221.83 = 5,332.20/x
3. Step 3: Cross multiply
   9,580.86x = 13,221.83 × 5,332.20
4. Step 4: Simplify right side
   9,580.86x = 70,501,441.93
5. Step 5: Solve for x
   x = 70,501,441.93/9,580.86
6. Step 6: Final answer
   x = 7,358.58