Finding the Fourth Proportional to 82,896.12, 124,380.90 and 43,443.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,896.12 : 124,380.90 = 43,443.81 : x
2. Step 2: Convert to fraction form
   82,896.12/124,380.90 = 43,443.81/x
3. Step 3: Cross multiply
   82,896.12x = 124,380.90 × 43,443.81
4. Step 4: Simplify right side
   82,896.12x = 5,403,580,187.23
5. Step 5: Solve for x
   x = 5,403,580,187.23/82,896.12
6. Step 6: Final answer
   x = 65,184.96