Finding the Fourth Proportional to 1,943.26, 2,681.82 and 1,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.26 : 2,681.82 = 1,158.10 : x
2. Step 2: Convert to fraction form
   1,943.26/2,681.82 = 1,158.10/x
3. Step 3: Cross multiply
   1,943.26x = 2,681.82 × 1,158.10
4. Step 4: Simplify right side
   1,943.26x = 3,105,815.74
5. Step 5: Solve for x
   x = 3,105,815.74/1,943.26
6. Step 6: Final answer
   x = 1,598.25