Finding the Fourth Proportional to 2,454.72, 3,679.38 and 1,066.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.72 : 3,679.38 = 1,066.44 : x
2. Step 2: Convert to fraction form
   2,454.72/3,679.38 = 1,066.44/x
3. Step 3: Cross multiply
   2,454.72x = 3,679.38 × 1,066.44
4. Step 4: Simplify right side
   2,454.72x = 3,923,838.01
5. Step 5: Solve for x
   x = 3,923,838.01/2,454.72
6. Step 6: Final answer
   x = 1,598.49