Finding the Fourth Proportional to 215,304, 297,119.52 and 121,096

Step by Step Solution

1. Step 1: Write the proportion equation
   215,304 : 297,119.52 = 121,096 : x
2. Step 2: Convert to fraction form
   215,304/297,119.52 = 121,096/x
3. Step 3: Cross multiply
   215,304x = 297,119.52 × 121,096
4. Step 4: Simplify right side
   215,304x = 35,979,985,393.92
5. Step 5: Solve for x
   x = 35,979,985,393.92/215,304
6. Step 6: Final answer
   x = 167,112.48