Finding the Fourth Proportional to 22,045.37, 30,422.61 and 12,613.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,045.37 : 30,422.61 = 12,613.91 : x
2. Step 2: Convert to fraction form
   22,045.37/30,422.61 = 12,613.91/x
3. Step 3: Cross multiply
   22,045.37x = 30,422.61 × 12,613.91
4. Step 4: Simplify right side
   22,045.37x = 383,747,912.39
5. Step 5: Solve for x
   x = 383,747,912.39/22,045.37
6. Step 6: Final answer
   x = 17,407.19