Finding the Fourth Proportional to 81,834.90, 112,908.81 and 49,115.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,834.90 : 112,908.81 = 49,115.98 : x
2. Step 2: Convert to fraction form
   81,834.90/112,908.81 = 49,115.98/x
3. Step 3: Cross multiply
   81,834.90x = 112,908.81 × 49,115.98
4. Step 4: Simplify right side
   81,834.90x = 5,545,626,853.78
5. Step 5: Solve for x
   x = 5,545,626,853.78/81,834.90
6. Step 6: Final answer
   x = 67,766.04