Finding the Fourth Proportional to 1,408.59, 1,942.00 and 1,155.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.59 : 1,942.00 = 1,155.59 : x
2. Step 2: Convert to fraction form
   1,408.59/1,942.00 = 1,155.59/x
3. Step 3: Cross multiply
   1,408.59x = 1,942.00 × 1,155.59
4. Step 4: Simplify right side
   1,408.59x = 2,244,150.46
5. Step 5: Solve for x
   x = 2,244,150.46/1,408.59
6. Step 6: Final answer
   x = 1,593.19