Finding the Fourth Proportional to 10,404.49, 14,358.25 and 5,688.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.49 : 14,358.25 = 5,688.77 : x
2. Step 2: Convert to fraction form
   10,404.49/14,358.25 = 5,688.77/x
3. Step 3: Cross multiply
   10,404.49x = 14,358.25 × 5,688.77
4. Step 4: Simplify right side
   10,404.49x = 81,680,781.85
5. Step 5: Solve for x
   x = 81,680,781.85/10,404.49
6. Step 6: Final answer
   x = 7,850.53