Finding the Fourth Proportional to 9,943.86, 14,910.92 and 5,785.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.86 : 14,910.92 = 5,785.32 : x
2. Step 2: Convert to fraction form
   9,943.86/14,910.92 = 5,785.32/x
3. Step 3: Cross multiply
   9,943.86x = 14,910.92 × 5,785.32
4. Step 4: Simplify right side
   9,943.86x = 86,264,443.69
5. Step 5: Solve for x
   x = 86,264,443.69/9,943.86
6. Step 6: Final answer
   x = 8,675.15