Finding the Fourth Proportional to 10,332.78, 14,259.39 and 5,617.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,332.78 : 14,259.39 = 5,617.14 : x
2. Step 2: Convert to fraction form
   10,332.78/14,259.39 = 5,617.14/x
3. Step 3: Cross multiply
   10,332.78x = 14,259.39 × 5,617.14
4. Step 4: Simplify right side
   10,332.78x = 80,096,989.94
5. Step 5: Solve for x
   x = 80,096,989.94/10,332.78
6. Step 6: Final answer
   x = 7,751.74