Finding the Fourth Proportional to 105,834.58, 158,751.86 and 49,713.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,834.58 : 158,751.86 = 49,713.42 : x
2. Step 2: Convert to fraction form
   105,834.58/158,751.86 = 49,713.42/x
3. Step 3: Cross multiply
   105,834.58x = 158,751.86 × 49,713.42
4. Step 4: Simplify right side
   105,834.58x = 7,892,097,891.96
5. Step 5: Solve for x
   x = 7,892,097,891.96/105,834.58
6. Step 6: Final answer
   x = 74,570.13