Finding the Fourth Proportional to 82,761.90, 124,194.15 and 43,347.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,761.90 : 124,194.15 = 43,347.30 : x
2. Step 2: Convert to fraction form
   82,761.90/124,194.15 = 43,347.30/x
3. Step 3: Cross multiply
   82,761.90x = 124,194.15 × 43,347.30
4. Step 4: Simplify right side
   82,761.90x = 5,383,481,078.30
5. Step 5: Solve for x
   x = 5,383,481,078.30/82,761.90
6. Step 6: Final answer
   x = 65,047.82