Finding the Fourth Proportional to 22,062.56, 30,456.15 and 13,112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,062.56 : 30,456.15 = 13,112.96 : x
2. Step 2: Convert to fraction form
   22,062.56/30,456.15 = 13,112.96/x
3. Step 3: Cross multiply
   22,062.56x = 30,456.15 × 13,112.96
4. Step 4: Simplify right side
   22,062.56x = 399,370,276.70
5. Step 5: Solve for x
   x = 399,370,276.70/22,062.56
6. Step 6: Final answer
   x = 18,101.72