Finding the Fourth Proportional to 105,789.43, 158,689.41 and 34,705.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105,789.43 : 158,689.41 = 34,705.75 : x
2. Step 2: Convert to fraction form
   105,789.43/158,689.41 = 34,705.75/x
3. Step 3: Cross multiply
   105,789.43x = 158,689.41 × 34,705.75
4. Step 4: Simplify right side
   105,789.43x = 5,507,434,991.11
5. Step 5: Solve for x
   x = 5,507,434,991.11/105,789.43
6. Step 6: Final answer
   x = 52,060.35