Finding the Fourth Proportional to 294,300.20, 441,454.30 and 83,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   294,300.20 : 441,454.30 = 83,938.12 : x
2. Step 2: Convert to fraction form
   294,300.20/441,454.30 = 83,938.12/x
3. Step 3: Cross multiply
   294,300.20x = 441,454.30 × 83,938.12
4. Step 4: Simplify right side
   294,300.20x = 37,054,844,007.92
5. Step 5: Solve for x
   x = 37,054,844,007.92/294,300.20
6. Step 6: Final answer
   x = 125,908.32