Finding the Fourth Proportional to 21,816.88, 32,726.52 and 7,024.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,816.88 : 32,726.52 = 7,024.72 : x
2. Step 2: Convert to fraction form
   21,816.88/32,726.52 = 7,024.72/x
3. Step 3: Cross multiply
   21,816.88x = 32,726.52 × 7,024.72
4. Step 4: Simplify right side
   21,816.88x = 229,894,639.57
5. Step 5: Solve for x
   x = 229,894,639.57/21,816.88
6. Step 6: Final answer
   x = 10,537.47