Finding the Fourth Proportional to 2,454.31, 3,679.39 and 1,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.31 : 3,679.39 = 1,066.60 : x
2. Step 2: Convert to fraction form
   2,454.31/3,679.39 = 1,066.60/x
3. Step 3: Cross multiply
   2,454.31x = 3,679.39 × 1,066.60
4. Step 4: Simplify right side
   2,454.31x = 3,924,437.37
5. Step 5: Solve for x
   x = 3,924,437.37/2,454.31
6. Step 6: Final answer
   x = 1,599.00