Finding the Fourth Proportional to 12,941.57, 17,859.28 and 7,352.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.57 : 17,859.28 = 7,352.57 : x
2. Step 2: Convert to fraction form
   12,941.57/17,859.28 = 7,352.57/x
3. Step 3: Cross multiply
   12,941.57x = 17,859.28 × 7,352.57
4. Step 4: Simplify right side
   12,941.57x = 131,311,569.59
5. Step 5: Solve for x
   x = 131,311,569.59/12,941.57
6. Step 6: Final answer
   x = 10,146.49