Finding the Fourth Proportional to 81,013.73, 111,738.57 and 59,496.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,013.73 : 111,738.57 = 59,496.83 : x
2. Step 2: Convert to fraction form
   81,013.73/111,738.57 = 59,496.83/x
3. Step 3: Cross multiply
   81,013.73x = 111,738.57 × 59,496.83
4. Step 4: Simplify right side
   81,013.73x = 6,648,090,145.04
5. Step 5: Solve for x
   x = 6,648,090,145.04/81,013.73
6. Step 6: Final answer
   x = 82,061.28