Finding the Fourth Proportional to 2,461.91, 3,691.98 and 818.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.91 : 3,691.98 = 818.01 : x
2. Step 2: Convert to fraction form
   2,461.91/3,691.98 = 818.01/x
3. Step 3: Cross multiply
   2,461.91x = 3,691.98 × 818.01
4. Step 4: Simplify right side
   2,461.91x = 3,020,076.56
5. Step 5: Solve for x
   x = 3,020,076.56/2,461.91
6. Step 6: Final answer
   x = 1,226.72