Finding the Fourth Proportional to 218,426.72, 327,662.43 and 83,604.06

Step by Step Solution

1. Step 1: Write the proportion equation
   218,426.72 : 327,662.43 = 83,604.06 : x
2. Step 2: Convert to fraction form
   218,426.72/327,662.43 = 83,604.06/x
3. Step 3: Cross multiply
   218,426.72x = 327,662.43 × 83,604.06
4. Step 4: Simplify right side
   218,426.72x = 27,393,911,288.10
5. Step 5: Solve for x
   x = 27,393,911,288.10/218,426.72
6. Step 6: Final answer
   x = 125,414.65