Finding the Fourth Proportional to 1,733.89, 2,391.86 and 1,174.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.89 : 2,391.86 = 1,174.55 : x
2. Step 2: Convert to fraction form
   1,733.89/2,391.86 = 1,174.55/x
3. Step 3: Cross multiply
   1,733.89x = 2,391.86 × 1,174.55
4. Step 4: Simplify right side
   1,733.89x = 2,809,353.29
5. Step 5: Solve for x
   x = 2,809,353.29/1,733.89
6. Step 6: Final answer
   x = 1,620.27