Finding the Fourth Proportional to 10,328.82, 14,253.80 and 5,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.82 : 14,253.80 = 5,613.12 : x
2. Step 2: Convert to fraction form
   10,328.82/14,253.80 = 5,613.12/x
3. Step 3: Cross multiply
   10,328.82x = 14,253.80 × 5,613.12
4. Step 4: Simplify right side
   10,328.82x = 80,008,289.86
5. Step 5: Solve for x
   x = 80,008,289.86/10,328.82
6. Step 6: Final answer
   x = 7,746.12