Finding the Fourth Proportional to 1,802.28, 2,700.72 and 1,254.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.28 : 2,700.72 = 1,254.18 : x
2. Step 2: Convert to fraction form
   1,802.28/2,700.72 = 1,254.18/x
3. Step 3: Cross multiply
   1,802.28x = 2,700.72 × 1,254.18
4. Step 4: Simplify right side
   1,802.28x = 3,387,189.01
5. Step 5: Solve for x
   x = 3,387,189.01/1,802.28
6. Step 6: Final answer
   x = 1,879.39