Finding the Fourth Proportional to 1,941.59, 2,679.62 and 1,155.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.59 : 2,679.62 = 1,155.65 : x
2. Step 2: Convert to fraction form
   1,941.59/2,679.62 = 1,155.65/x
3. Step 3: Cross multiply
   1,941.59x = 2,679.62 × 1,155.65
4. Step 4: Simplify right side
   1,941.59x = 3,096,692.34
5. Step 5: Solve for x
   x = 3,096,692.34/1,941.59
6. Step 6: Final answer
   x = 1,594.92