Finding the Fourth Proportional to 142,826.38, 213,818.92 and 105,552.61

Step by Step Solution

1. Step 1: Write the proportion equation
   142,826.38 : 213,818.92 = 105,552.61 : x
2. Step 2: Convert to fraction form
   142,826.38/213,818.92 = 105,552.61/x
3. Step 3: Cross multiply
   142,826.38x = 213,818.92 × 105,552.61
4. Step 4: Simplify right side
   142,826.38x = 22,569,145,073.38
5. Step 5: Solve for x
   x = 22,569,145,073.38/142,826.38
6. Step 6: Final answer
   x = 158,018.04