Finding the Fourth Proportional to 104,264.82, 143,792.55 and 81,300.33

Step by Step Solution

1. Step 1: Write the proportion equation
   104,264.82 : 143,792.55 = 81,300.33 : x
2. Step 2: Convert to fraction form
   104,264.82/143,792.55 = 81,300.33/x
3. Step 3: Cross multiply
   104,264.82x = 143,792.55 × 81,300.33
4. Step 4: Simplify right side
   104,264.82x = 11,690,381,766.54
5. Step 5: Solve for x
   x = 11,690,381,766.54/104,264.82
6. Step 6: Final answer
   x = 112,122.02