Finding the Fourth Proportional to 2,617.83, 3,925.58 and 1,231.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.83 : 3,925.58 = 1,231.56 : x
2. Step 2: Convert to fraction form
   2,617.83/3,925.58 = 1,231.56/x
3. Step 3: Cross multiply
   2,617.83x = 3,925.58 × 1,231.56
4. Step 4: Simplify right side
   2,617.83x = 4,834,581.15
5. Step 5: Solve for x
   x = 4,834,581.15/2,617.83
6. Step 6: Final answer
   x = 1,846.79