Finding the Fourth Proportional to 10,404.42, 14,358.15 and 5,688.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.42 : 14,358.15 = 5,688.71 : x
2. Step 2: Convert to fraction form
   10,404.42/14,358.15 = 5,688.71/x
3. Step 3: Cross multiply
   10,404.42x = 14,358.15 × 5,688.71
4. Step 4: Simplify right side
   10,404.42x = 81,679,301.03
5. Step 5: Solve for x
   x = 81,679,301.03/10,404.42
6. Step 6: Final answer
   x = 7,850.44