Finding the Fourth Proportional to 1,598.27, 2,391.59 and 1,164.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.27 : 2,391.59 = 1,164.65 : x
2. Step 2: Convert to fraction form
   1,598.27/2,391.59 = 1,164.65/x
3. Step 3: Cross multiply
   1,598.27x = 2,391.59 × 1,164.65
4. Step 4: Simplify right side
   1,598.27x = 2,785,356.25
5. Step 5: Solve for x
   x = 2,785,356.25/1,598.27
6. Step 6: Final answer
   x = 1,742.74