Finding the Fourth Proportional to 359,131.56, 495,605 and 197,992.52

Step by Step Solution

1. Step 1: Write the proportion equation
   359,131.56 : 495,605 = 197,992.52 : x
2. Step 2: Convert to fraction form
   359,131.56/495,605 = 197,992.52/x
3. Step 3: Cross multiply
   359,131.56x = 495,605 × 197,992.52
4. Step 4: Simplify right side
   359,131.56x = 98,126,082,874.60
5. Step 5: Solve for x
   x = 98,126,082,874.60/359,131.56
6. Step 6: Final answer
   x = 273,231.58