Finding the Fourth Proportional to 81,761.73, 112,758.39 and 53,053.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,761.73 : 112,758.39 = 53,053.98 : x
2. Step 2: Convert to fraction form
   81,761.73/112,758.39 = 53,053.98/x
3. Step 3: Cross multiply
   81,761.73x = 112,758.39 × 53,053.98
4. Step 4: Simplify right side
   81,761.73x = 5,982,281,367.89
5. Step 5: Solve for x
   x = 5,982,281,367.89/81,761.73
6. Step 6: Final answer
   x = 73,167.26