Finding the Fourth Proportional to 10,221.27, 15,323.52 and 5,292.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.27 : 15,323.52 = 5,292.31 : x
2. Step 2: Convert to fraction form
   10,221.27/15,323.52 = 5,292.31/x
3. Step 3: Cross multiply
   10,221.27x = 15,323.52 × 5,292.31
4. Step 4: Simplify right side
   10,221.27x = 81,096,818.13
5. Step 5: Solve for x
   x = 81,096,818.13/10,221.27
6. Step 6: Final answer
   x = 7,934.12