Finding the Fourth Proportional to 9,109.47, 12,571.38 and 5,332.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.47 : 12,571.38 = 5,332.98 : x
2. Step 2: Convert to fraction form
   9,109.47/12,571.38 = 5,332.98/x
3. Step 3: Cross multiply
   9,109.47x = 12,571.38 × 5,332.98
4. Step 4: Simplify right side
   9,109.47x = 67,042,918.11
5. Step 5: Solve for x
   x = 67,042,918.11/9,109.47
6. Step 6: Final answer
   x = 7,359.69