Finding the Fourth Proportional to 22,046.52, 30,417.28 and 12,613.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,046.52 : 30,417.28 = 12,613.28 : x
2. Step 2: Convert to fraction form
   22,046.52/30,417.28 = 12,613.28/x
3. Step 3: Cross multiply
   22,046.52x = 30,417.28 × 12,613.28
4. Step 4: Simplify right side
   22,046.52x = 383,661,669.48
5. Step 5: Solve for x
   x = 383,661,669.48/22,046.52
6. Step 6: Final answer
   x = 17,402.37