Finding the Fourth Proportional to 82,744.90, 124,168.65 and 43,330.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,744.90 : 124,168.65 = 43,330.30 : x
2. Step 2: Convert to fraction form
   82,744.90/124,168.65 = 43,330.30/x
3. Step 3: Cross multiply
   82,744.90x = 124,168.65 × 43,330.30
4. Step 4: Simplify right side
   82,744.90x = 5,380,264,855.10
5. Step 5: Solve for x
   x = 5,380,264,855.10/82,744.90
6. Step 6: Final answer
   x = 65,022.31