Finding the Fourth Proportional to 82,439.38, 113,766.35 and 46,628.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,439.38 : 113,766.35 = 46,628.62 : x
2. Step 2: Convert to fraction form
   82,439.38/113,766.35 = 46,628.62/x
3. Step 3: Cross multiply
   82,439.38x = 113,766.35 × 46,628.62
4. Step 4: Simplify right side
   82,439.38x = 5,304,767,902.94
5. Step 5: Solve for x
   x = 5,304,767,902.94/82,439.38
6. Step 6: Final answer
   x = 64,347.50