Finding the Fourth Proportional to 10,404.19, 14,357.78 and 5,688.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.19 : 14,357.78 = 5,688.47 : x
2. Step 2: Convert to fraction form
   10,404.19/14,357.78 = 5,688.47/x
3. Step 3: Cross multiply
   10,404.19x = 14,357.78 × 5,688.47
4. Step 4: Simplify right side
   10,404.19x = 81,673,800.80
5. Step 5: Solve for x
   x = 81,673,800.80/10,404.19
6. Step 6: Final answer
   x = 7,850.09