Finding the Fourth Proportional to 105,108.51, 157,689.42 and 30,227.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,108.51 : 157,689.42 = 30,227.04 : x
2. Step 2: Convert to fraction form
   105,108.51/157,689.42 = 30,227.04/x
3. Step 3: Cross multiply
   105,108.51x = 157,689.42 × 30,227.04
4. Step 4: Simplify right side
   105,108.51x = 4,766,484,405.92
5. Step 5: Solve for x
   x = 4,766,484,405.92/105,108.51
6. Step 6: Final answer
   x = 45,348.23