Finding the Fourth Proportional to 262,123.02, 361,851.60 and 197,618.37

Step by Step Solution

1. Step 1: Write the proportion equation
   262,123.02 : 361,851.60 = 197,618.37 : x
2. Step 2: Convert to fraction form
   262,123.02/361,851.60 = 197,618.37/x
3. Step 3: Cross multiply
   262,123.02x = 361,851.60 × 197,618.37
4. Step 4: Simplify right side
   262,123.02x = 71,508,522,758.02
5. Step 5: Solve for x
   x = 71,508,522,758.02/262,123.02
6. Step 6: Final answer
   x = 272,805.20