Finding the Fourth Proportional to 215,401.10, 297,258.73 and 119,914.25

Step by Step Solution

1. Step 1: Write the proportion equation
   215,401.10 : 297,258.73 = 119,914.25 : x
2. Step 2: Convert to fraction form
   215,401.10/297,258.73 = 119,914.25/x
3. Step 3: Cross multiply
   215,401.10x = 297,258.73 × 119,914.25
4. Step 4: Simplify right side
   215,401.10x = 35,645,555,877.82
5. Step 5: Solve for x
   x = 35,645,555,877.82/215,401.10
6. Step 6: Final answer
   x = 165,484.56