Finding the Fourth Proportional to 9,109.79, 12,571.52 and 5,332.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.79 : 12,571.52 = 5,332.26 : x
2. Step 2: Convert to fraction form
   9,109.79/12,571.52 = 5,332.26/x
3. Step 3: Cross multiply
   9,109.79x = 12,571.52 × 5,332.26
4. Step 4: Simplify right side
   9,109.79x = 67,034,586.57
5. Step 5: Solve for x
   x = 67,034,586.57/9,109.79
6. Step 6: Final answer
   x = 7,358.53