Finding the Fourth Proportional to 215,168.50, 296,932.50 and 119,673.15

Step by Step Solution

1. Step 1: Write the proportion equation
   215,168.50 : 296,932.50 = 119,673.15 : x
2. Step 2: Convert to fraction form
   215,168.50/296,932.50 = 119,673.15/x
3. Step 3: Cross multiply
   215,168.50x = 296,932.50 × 119,673.15
4. Step 4: Simplify right side
   215,168.50x = 35,534,846,498.88
5. Step 5: Solve for x
   x = 35,534,846,498.88/215,168.50
6. Step 6: Final answer
   x = 165,148.92