Finding the Fourth Proportional to 2,460.87, 3,691.74 and 817.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.87 : 3,691.74 = 817.52 : x
2. Step 2: Convert to fraction form
   2,460.87/3,691.74 = 817.52/x
3. Step 3: Cross multiply
   2,460.87x = 3,691.74 × 817.52
4. Step 4: Simplify right side
   2,460.87x = 3,018,052.83
5. Step 5: Solve for x
   x = 3,018,052.83/2,460.87
6. Step 6: Final answer
   x = 1,226.42