Finding the Fourth Proportional to 1,498.68, 2,068.42 and 1,143.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.68 : 2,068.42 = 1,143.93 : x
2. Step 2: Convert to fraction form
   1,498.68/2,068.42 = 1,143.93/x
3. Step 3: Cross multiply
   1,498.68x = 2,068.42 × 1,143.93
4. Step 4: Simplify right side
   1,498.68x = 2,366,127.69
5. Step 5: Solve for x
   x = 2,366,127.69/1,498.68
6. Step 6: Final answer
   x = 1,578.81