Finding the Fourth Proportional to 2,315.55, 3,475.64 and 1,083.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.55 : 3,475.64 = 1,083.85 : x
2. Step 2: Convert to fraction form
   2,315.55/3,475.64 = 1,083.85/x
3. Step 3: Cross multiply
   2,315.55x = 3,475.64 × 1,083.85
4. Step 4: Simplify right side
   2,315.55x = 3,767,066.43
5. Step 5: Solve for x
   x = 3,767,066.43/2,315.55
6. Step 6: Final answer
   x = 1,626.85