Finding the Fourth Proportional to 1,498.55, 2,068.27 and 1,143.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.55 : 2,068.27 = 1,143.92 : x
2. Step 2: Convert to fraction form
   1,498.55/2,068.27 = 1,143.92/x
3. Step 3: Cross multiply
   1,498.55x = 2,068.27 × 1,143.92
4. Step 4: Simplify right side
   1,498.55x = 2,365,919.36
5. Step 5: Solve for x
   x = 2,365,919.36/1,498.55
6. Step 6: Final answer
   x = 1,578.81