Finding the Fourth Proportional to 1,942.59, 2,681 and 1,156.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.59 : 2,681 = 1,156.65 : x
2. Step 2: Convert to fraction form
   1,942.59/2,681 = 1,156.65/x
3. Step 3: Cross multiply
   1,942.59x = 2,681 × 1,156.65
4. Step 4: Simplify right side
   1,942.59x = 3,100,978.65
5. Step 5: Solve for x
   x = 3,100,978.65/1,942.59
6. Step 6: Final answer
   x = 1,596.31