Finding the Fourth Proportional to 22,081.89, 30,462.96 and 13,124.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.89 : 30,462.96 = 13,124.30 : x
2. Step 2: Convert to fraction form
   22,081.89/30,462.96 = 13,124.30/x
3. Step 3: Cross multiply
   22,081.89x = 30,462.96 × 13,124.30
4. Step 4: Simplify right side
   22,081.89x = 399,805,052.87
5. Step 5: Solve for x
   x = 399,805,052.87/22,081.89
6. Step 6: Final answer
   x = 18,105.56