Finding the Fourth Proportional to 1,941.42, 2,679.94 and 1,155.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.42 : 2,679.94 = 1,155.32 : x
2. Step 2: Convert to fraction form
   1,941.42/2,679.94 = 1,155.32/x
3. Step 3: Cross multiply
   1,941.42x = 2,679.94 × 1,155.32
4. Step 4: Simplify right side
   1,941.42x = 3,096,169.10
5. Step 5: Solve for x
   x = 3,096,169.10/1,941.42
6. Step 6: Final answer
   x = 1,594.80