Finding the Fourth Proportional to 105,746.43, 158,582.75 and 42,550.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,746.43 : 158,582.75 = 42,550.17 : x
2. Step 2: Convert to fraction form
   105,746.43/158,582.75 = 42,550.17/x
3. Step 3: Cross multiply
   105,746.43x = 158,582.75 × 42,550.17
4. Step 4: Simplify right side
   105,746.43x = 6,747,723,155.27
5. Step 5: Solve for x
   x = 6,747,723,155.27/105,746.43
6. Step 6: Final answer
   x = 63,810.41