Finding the Fourth Proportional to 10,465.76, 14,443.12 and 5,750.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,465.76 : 14,443.12 = 5,750.40 : x
2. Step 2: Convert to fraction form
   10,465.76/14,443.12 = 5,750.40/x
3. Step 3: Cross multiply
   10,465.76x = 14,443.12 × 5,750.40
4. Step 4: Simplify right side
   10,465.76x = 83,053,717.25
5. Step 5: Solve for x
   x = 83,053,717.25/10,465.76
6. Step 6: Final answer
   x = 7,935.76