Finding the Fourth Proportional to 105,107.74, 157,685.37 and 34,989.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,107.74 : 157,685.37 = 34,989.82 : x
2. Step 2: Convert to fraction form
   105,107.74/157,685.37 = 34,989.82/x
3. Step 3: Cross multiply
   105,107.74x = 157,685.37 × 34,989.82
4. Step 4: Simplify right side
   105,107.74x = 5,517,382,712.93
5. Step 5: Solve for x
   x = 5,517,382,712.93/105,107.74
6. Step 6: Final answer
   x = 52,492.64