Finding the Fourth Proportional to 10,233.57, 15,330.27 and 5,306.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,233.57 : 15,330.27 = 5,306.43 : x
2. Step 2: Convert to fraction form
   10,233.57/15,330.27 = 5,306.43/x
3. Step 3: Cross multiply
   10,233.57x = 15,330.27 × 5,306.43
4. Step 4: Simplify right side
   10,233.57x = 81,349,004.64
5. Step 5: Solve for x
   x = 81,349,004.64/10,233.57
6. Step 6: Final answer
   x = 7,949.23