Finding the Fourth Proportional to 105,762.57, 158,597.16 and 49,557.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,762.57 : 158,597.16 = 49,557.29 : x
2. Step 2: Convert to fraction form
   105,762.57/158,597.16 = 49,557.29/x
3. Step 3: Cross multiply
   105,762.57x = 158,597.16 × 49,557.29
4. Step 4: Simplify right side
   105,762.57x = 7,859,644,658.31
5. Step 5: Solve for x
   x = 7,859,644,658.31/105,762.57
6. Step 6: Final answer
   x = 74,314.05