Finding the Fourth Proportional to 1,498.44, 2,068.11 and 1,143.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.44 : 2,068.11 = 1,143.78 : x
2. Step 2: Convert to fraction form
   1,498.44/2,068.11 = 1,143.78/x
3. Step 3: Cross multiply
   1,498.44x = 2,068.11 × 1,143.78
4. Step 4: Simplify right side
   1,498.44x = 2,365,462.86
5. Step 5: Solve for x
   x = 2,365,462.86/1,498.44
6. Step 6: Final answer
   x = 1,578.62