Finding the Fourth Proportional to 21,924.42, 32,882.67 and 7,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,924.42 : 32,882.67 = 7,131.30 : x
2. Step 2: Convert to fraction form
   21,924.42/32,882.67 = 7,131.30/x
3. Step 3: Cross multiply
   21,924.42x = 32,882.67 × 7,131.30
4. Step 4: Simplify right side
   21,924.42x = 234,496,184.57
5. Step 5: Solve for x
   x = 234,496,184.57/21,924.42
6. Step 6: Final answer
   x = 10,695.66