Finding the Fourth Proportional to 81,811.37, 112,853.56 and 49,097.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,811.37 : 112,853.56 = 49,097.42 : x
2. Step 2: Convert to fraction form
   81,811.37/112,853.56 = 49,097.42/x
3. Step 3: Cross multiply
   81,811.37x = 112,853.56 × 49,097.42
4. Step 4: Simplify right side
   81,811.37x = 5,540,818,633.82
5. Step 5: Solve for x
   x = 5,540,818,633.82/81,811.37
6. Step 6: Final answer
   x = 67,726.76