Finding the Fourth Proportional to 10,404.52, 14,358.16 and 5,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.52 : 14,358.16 = 5,688.72 : x
2. Step 2: Convert to fraction form
   10,404.52/14,358.16 = 5,688.72/x
3. Step 3: Cross multiply
   10,404.52x = 14,358.16 × 5,688.72
4. Step 4: Simplify right side
   10,404.52x = 81,679,551.96
5. Step 5: Solve for x
   x = 81,679,551.96/10,404.52
6. Step 6: Final answer
   x = 7,850.39