Finding the Fourth Proportional to 82,785.82, 124,179.58 and 43,419.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,785.82 : 124,179.58 = 43,419.82 : x
2. Step 2: Convert to fraction form
   82,785.82/124,179.58 = 43,419.82/x
3. Step 3: Cross multiply
   82,785.82x = 124,179.58 × 43,419.82
4. Step 4: Simplify right side
   82,785.82x = 5,391,855,011.28
5. Step 5: Solve for x
   x = 5,391,855,011.28/82,785.82
6. Step 6: Final answer
   x = 65,130.18