Finding the Fourth Proportional to 215,375.82, 323,045.25 and 131,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   215,375.82 : 323,045.25 = 131,114.12 : x
2. Step 2: Convert to fraction form
   215,375.82/323,045.25 = 131,114.12/x
3. Step 3: Cross multiply
   215,375.82x = 323,045.25 × 131,114.12
4. Step 4: Simplify right side
   215,375.82x = 42,355,793,673.93
5. Step 5: Solve for x
   x = 42,355,793,673.93/215,375.82
6. Step 6: Final answer
   x = 196,659.93