Finding the Fourth Proportional to 88,241.82, 121,674.87 and 82,643.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,241.82 : 121,674.87 = 82,643.10 : x
2. Step 2: Convert to fraction form
   88,241.82/121,674.87 = 82,643.10/x
3. Step 3: Cross multiply
   88,241.82x = 121,674.87 × 82,643.10
4. Step 4: Simplify right side
   88,241.82x = 10,055,588,448.90
5. Step 5: Solve for x
   x = 10,055,588,448.90/88,241.82
6. Step 6: Final answer
   x = 113,954.91