Finding the Fourth Proportional to 81,656.60, 112,698.42 and 49,843.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,656.60 : 112,698.42 = 49,843.94 : x
2. Step 2: Convert to fraction form
   81,656.60/112,698.42 = 49,843.94/x
3. Step 3: Cross multiply
   81,656.60x = 112,698.42 × 49,843.94
4. Step 4: Simplify right side
   81,656.60x = 5,617,333,284.57
5. Step 5: Solve for x
   x = 5,617,333,284.57/81,656.60
6. Step 6: Final answer
   x = 68,792.15