Finding the Fourth Proportional to 21,422.99, 32,147.79 and 10,330.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,422.99 : 32,147.79 = 10,330.82 : x
2. Step 2: Convert to fraction form
   21,422.99/32,147.79 = 10,330.82/x
3. Step 3: Cross multiply
   21,422.99x = 32,147.79 × 10,330.82
4. Step 4: Simplify right side
   21,422.99x = 332,113,031.89
5. Step 5: Solve for x
   x = 332,113,031.89/21,422.99
6. Step 6: Final answer
   x = 15,502.65