Finding the Fourth Proportional to 10,404.72, 14,358.48 and 5,688.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.72 : 14,358.48 = 5,688.96 : x
2. Step 2: Convert to fraction form
   10,404.72/14,358.48 = 5,688.96/x
3. Step 3: Cross multiply
   10,404.72x = 14,358.48 × 5,688.96
4. Step 4: Simplify right side
   10,404.72x = 81,684,818.38
5. Step 5: Solve for x
   x = 81,684,818.38/10,404.72
6. Step 6: Final answer
   x = 7,850.75