Finding the Fourth Proportional to 1,368.28, 2,054.25 and 1,164.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.28 : 2,054.25 = 1,164.16 : x
2. Step 2: Convert to fraction form
   1,368.28/2,054.25 = 1,164.16/x
3. Step 3: Cross multiply
   1,368.28x = 2,054.25 × 1,164.16
4. Step 4: Simplify right side
   1,368.28x = 2,391,469.86
5. Step 5: Solve for x
   x = 2,391,469.86/1,368.28
6. Step 6: Final answer
   x = 1,747.79