Finding the Fourth Proportional to 307,057.55, 460,522.78 and 82,364.56

Step by Step Solution

1. Step 1: Write the proportion equation
   307,057.55 : 460,522.78 = 82,364.56 : x
2. Step 2: Convert to fraction form
   307,057.55/460,522.78 = 82,364.56/x
3. Step 3: Cross multiply
   307,057.55x = 460,522.78 × 82,364.56
4. Step 4: Simplify right side
   307,057.55x = 37,930,754,787.46
5. Step 5: Solve for x
   x = 37,930,754,787.46/307,057.55
6. Step 6: Final answer
   x = 123,529.79