Finding the Fourth Proportional to 108,238.06, 162,273.25 and 74,861.61

Step by Step Solution

1. Step 1: Write the proportion equation
   108,238.06 : 162,273.25 = 74,861.61 : x
2. Step 2: Convert to fraction form
   108,238.06/162,273.25 = 74,861.61/x
3. Step 3: Cross multiply
   108,238.06x = 162,273.25 × 74,861.61
4. Step 4: Simplify right side
   108,238.06x = 12,148,036,754.93
5. Step 5: Solve for x
   x = 12,148,036,754.93/108,238.06
6. Step 6: Final answer
   x = 112,234.43