Finding the Fourth Proportional to 275,099.72, 412,567.34 and 82,966.10

Step by Step Solution

1. Step 1: Write the proportion equation
   275,099.72 : 412,567.34 = 82,966.10 : x
2. Step 2: Convert to fraction form
   275,099.72/412,567.34 = 82,966.10/x
3. Step 3: Cross multiply
   275,099.72x = 412,567.34 × 82,966.10
4. Step 4: Simplify right side
   275,099.72x = 34,229,103,187.17
5. Step 5: Solve for x
   x = 34,229,103,187.17/275,099.72
6. Step 6: Final answer
   x = 124,424.35