Finding the Fourth Proportional to 22,085.28, 30,466.96 and 13,126.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.28 : 30,466.96 = 13,126.43 : x
2. Step 2: Convert to fraction form
   22,085.28/30,466.96 = 13,126.43/x
3. Step 3: Cross multiply
   22,085.28x = 30,466.96 × 13,126.43
4. Step 4: Simplify right side
   22,085.28x = 399,922,461.10
5. Step 5: Solve for x
   x = 399,922,461.10/22,085.28
6. Step 6: Final answer
   x = 18,108.10