Finding the Fourth Proportional to 22,103.31, 30,502.17 and 12,031.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.31 : 30,502.17 = 12,031.95 : x
2. Step 2: Convert to fraction form
   22,103.31/30,502.17 = 12,031.95/x
3. Step 3: Cross multiply
   22,103.31x = 30,502.17 × 12,031.95
4. Step 4: Simplify right side
   22,103.31x = 367,000,584.33
5. Step 5: Solve for x
   x = 367,000,584.33/22,103.31
6. Step 6: Final answer
   x = 16,603.87