Finding the Fourth Proportional to 21,538.48, 32,317.92 and 9,061.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,538.48 : 32,317.92 = 9,061.24 : x
2. Step 2: Convert to fraction form
   21,538.48/32,317.92 = 9,061.24/x
3. Step 3: Cross multiply
   21,538.48x = 32,317.92 × 9,061.24
4. Step 4: Simplify right side
   21,538.48x = 292,840,429.42
5. Step 5: Solve for x
   x = 292,840,429.42/21,538.48
6. Step 6: Final answer
   x = 13,596.15