Finding the Fourth Proportional to 10,404.79, 14,358.61 and 5,689.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.79 : 14,358.61 = 5,689.07 : x
2. Step 2: Convert to fraction form
   10,404.79/14,358.61 = 5,689.07/x
3. Step 3: Cross multiply
   10,404.79x = 14,358.61 × 5,689.07
4. Step 4: Simplify right side
   10,404.79x = 81,687,137.39
5. Step 5: Solve for x
   x = 81,687,137.39/10,404.79
6. Step 6: Final answer
   x = 7,850.92