Finding the Fourth Proportional to 105,618.83, 158,411.68 and 34,540.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,618.83 : 158,411.68 = 34,540.88 : x
2. Step 2: Convert to fraction form
   105,618.83/158,411.68 = 34,540.88/x
3. Step 3: Cross multiply
   105,618.83x = 158,411.68 × 34,540.88
4. Step 4: Simplify right side
   105,618.83x = 5,471,677,951.07
5. Step 5: Solve for x
   x = 5,471,677,951.07/105,618.83
6. Step 6: Final answer
   x = 51,805.90