Finding the Fourth Proportional to 9,111.18, 12,569.13 and 5,332.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.18 : 12,569.13 = 5,332.03 : x
2. Step 2: Convert to fraction form
   9,111.18/12,569.13 = 5,332.03/x
3. Step 3: Cross multiply
   9,111.18x = 12,569.13 × 5,332.03
4. Step 4: Simplify right side
   9,111.18x = 67,018,991.56
5. Step 5: Solve for x
   x = 67,018,991.56/9,111.18
6. Step 6: Final answer
   x = 7,355.69