Finding the Fourth Proportional to 2,454.76, 3,683.04 and 1,139.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.76 : 3,683.04 = 1,139.14 : x
2. Step 2: Convert to fraction form
   2,454.76/3,683.04 = 1,139.14/x
3. Step 3: Cross multiply
   2,454.76x = 3,683.04 × 1,139.14
4. Step 4: Simplify right side
   2,454.76x = 4,195,498.19
5. Step 5: Solve for x
   x = 4,195,498.19/2,454.76
6. Step 6: Final answer
   x = 1,709.13