Finding the Fourth Proportional to 22,081.68, 30,462.48 and 13,124.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.68 : 30,462.48 = 13,124.16 : x
2. Step 2: Convert to fraction form
   22,081.68/30,462.48 = 13,124.16/x
3. Step 3: Cross multiply
   22,081.68x = 30,462.48 × 13,124.16
4. Step 4: Simplify right side
   22,081.68x = 399,794,461.52
5. Step 5: Solve for x
   x = 399,794,461.52/22,081.68
6. Step 6: Final answer
   x = 18,105.26