Finding the Fourth Proportional to 10,377.43, 14,321.01 and 5,661.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.43 : 14,321.01 = 5,661.71 : x
2. Step 2: Convert to fraction form
   10,377.43/14,321.01 = 5,661.71/x
3. Step 3: Cross multiply
   10,377.43x = 14,321.01 × 5,661.71
4. Step 4: Simplify right side
   10,377.43x = 81,081,333.92
5. Step 5: Solve for x
   x = 81,081,333.92/10,377.43
6. Step 6: Final answer
   x = 7,813.24