Finding the Fourth Proportional to 2,391.50, 3,588.46 and 1,093.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.50 : 3,588.46 = 1,093.28 : x
2. Step 2: Convert to fraction form
   2,391.50/3,588.46 = 1,093.28/x
3. Step 3: Cross multiply
   2,391.50x = 3,588.46 × 1,093.28
4. Step 4: Simplify right side
   2,391.50x = 3,923,191.55
5. Step 5: Solve for x
   x = 3,923,191.55/2,391.50
6. Step 6: Final answer
   x = 1,640.47