Finding the Fourth Proportional to 9,215.52, 12,717.24 and 5,023.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,215.52 : 12,717.24 = 5,023.80 : x
2. Step 2: Convert to fraction form
   9,215.52/12,717.24 = 5,023.80/x
3. Step 3: Cross multiply
   9,215.52x = 12,717.24 × 5,023.80
4. Step 4: Simplify right side
   9,215.52x = 63,888,870.31
5. Step 5: Solve for x
   x = 63,888,870.31/9,215.52
6. Step 6: Final answer
   x = 6,932.75