Finding the Fourth Proportional to 10,387.41, 14,334.62 and 5,671.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387.41 : 14,334.62 = 5,671.69 : x
2. Step 2: Convert to fraction form
   10,387.41/14,334.62 = 5,671.69/x
3. Step 3: Cross multiply
   10,387.41x = 14,334.62 × 5,671.69
4. Step 4: Simplify right side
   10,387.41x = 81,301,520.91
5. Step 5: Solve for x
   x = 81,301,520.91/10,387.41
6. Step 6: Final answer
   x = 7,826.93