Finding the Fourth Proportional to 10,389.75, 14,332.86 and 7,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.75 : 14,332.86 = 7,552.72 : x
2. Step 2: Convert to fraction form
   10,389.75/14,332.86 = 7,552.72/x
3. Step 3: Cross multiply
   10,389.75x = 14,332.86 × 7,552.72
4. Step 4: Simplify right side
   10,389.75x = 108,252,078.38
5. Step 5: Solve for x
   x = 108,252,078.38/10,389.75
6. Step 6: Final answer
   x = 10,419.12