Finding the Fourth Proportional to 9,491.12, 14,233.16 and 5,543.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.12 : 14,233.16 = 5,543.72 : x
2. Step 2: Convert to fraction form
   9,491.12/14,233.16 = 5,543.72/x
3. Step 3: Cross multiply
   9,491.12x = 14,233.16 × 5,543.72
4. Step 4: Simplify right side
   9,491.12x = 78,904,582.59
5. Step 5: Solve for x
   x = 78,904,582.59/9,491.12
6. Step 6: Final answer
   x = 8,313.52