Finding the Fourth Proportional to 22,076.56, 30,464.13 and 13,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,076.56 : 30,464.13 = 13,124.80 : x
2. Step 2: Convert to fraction form
   22,076.56/30,464.13 = 13,124.80/x
3. Step 3: Cross multiply
   22,076.56x = 30,464.13 × 13,124.80
4. Step 4: Simplify right side
   22,076.56x = 399,835,613.42
5. Step 5: Solve for x
   x = 399,835,613.42/22,076.56
6. Step 6: Final answer
   x = 18,111.32