Finding the Fourth Proportional to 22,079.33, 30,458.76 and 13,120.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.33 : 30,458.76 = 13,120.49 : x
2. Step 2: Convert to fraction form
   22,079.33/30,458.76 = 13,120.49/x
3. Step 3: Cross multiply
   22,079.33x = 30,458.76 × 13,120.49
4. Step 4: Simplify right side
   22,079.33x = 399,633,703.70
5. Step 5: Solve for x
   x = 399,633,703.70/22,079.33
6. Step 6: Final answer
   x = 18,099.91