Finding the Fourth Proportional to 1,304.17, 1,798.22 and 1,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.17 : 1,798.22 = 1,054.72 : x
2. Step 2: Convert to fraction form
   1,304.17/1,798.22 = 1,054.72/x
3. Step 3: Cross multiply
   1,304.17x = 1,798.22 × 1,054.72
4. Step 4: Simplify right side
   1,304.17x = 1,896,618.60
5. Step 5: Solve for x
   x = 1,896,618.60/1,304.17
6. Step 6: Final answer
   x = 1,454.27