Finding the Fourth Proportional to 10,223.42, 14,103.72 and 6,243.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,223.42 : 14,103.72 = 6,243.78 : x
2. Step 2: Convert to fraction form
   10,223.42/14,103.72 = 6,243.78/x
3. Step 3: Cross multiply
   10,223.42x = 14,103.72 × 6,243.78
4. Step 4: Simplify right side
   10,223.42x = 88,060,577.75
5. Step 5: Solve for x
   x = 88,060,577.75/10,223.42
6. Step 6: Final answer
   x = 8,613.62