Finding the Fourth Proportional to 81,799.94, 112,837.82 and 49,085.89

Step by Step Solution

1. Step 1: Write the proportion equation
   81,799.94 : 112,837.82 = 49,085.89 : x
2. Step 2: Convert to fraction form
   81,799.94/112,837.82 = 49,085.89/x
3. Step 3: Cross multiply
   81,799.94x = 112,837.82 × 49,085.89
4. Step 4: Simplify right side
   81,799.94x = 5,538,744,574.93
5. Step 5: Solve for x
   x = 5,538,744,574.93/81,799.94
6. Step 6: Final answer
   x = 67,710.87