Finding the Fourth Proportional to 82,940.85, 124,448.03 and 43,488.58

Step by Step Solution

1. Step 1: Write the proportion equation
   82,940.85 : 124,448.03 = 43,488.58 : x
2. Step 2: Convert to fraction form
   82,940.85/124,448.03 = 43,488.58/x
3. Step 3: Cross multiply
   82,940.85x = 124,448.03 × 43,488.58
4. Step 4: Simplify right side
   82,940.85x = 5,412,068,108.50
5. Step 5: Solve for x
   x = 5,412,068,108.50/82,940.85
6. Step 6: Final answer
   x = 65,252.14