Finding the Fourth Proportional to 1,943.88, 2,681.46 and 1,158.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.88 : 2,681.46 = 1,158.18 : x
2. Step 2: Convert to fraction form
   1,943.88/2,681.46 = 1,158.18/x
3. Step 3: Cross multiply
   1,943.88x = 2,681.46 × 1,158.18
4. Step 4: Simplify right side
   1,943.88x = 3,105,613.34
5. Step 5: Solve for x
   x = 3,105,613.34/1,943.88
6. Step 6: Final answer
   x = 1,597.64