Finding the Fourth Proportional to 2,454.56, 3,679.76 and 1,066.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.56 : 3,679.76 = 1,066.85 : x
2. Step 2: Convert to fraction form
   2,454.56/3,679.76 = 1,066.85/x
3. Step 3: Cross multiply
   2,454.56x = 3,679.76 × 1,066.85
4. Step 4: Simplify right side
   2,454.56x = 3,925,751.96
5. Step 5: Solve for x
   x = 3,925,751.96/2,454.56
6. Step 6: Final answer
   x = 1,599.37