Finding the Fourth Proportional to 1,674.04, 2,309.98 and 928.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674.04 : 2,309.98 = 928.01 : x
2. Step 2: Convert to fraction form
   1,674.04/2,309.98 = 928.01/x
3. Step 3: Cross multiply
   1,674.04x = 2,309.98 × 928.01
4. Step 4: Simplify right side
   1,674.04x = 2,143,684.54
5. Step 5: Solve for x
   x = 2,143,684.54/1,674.04
6. Step 6: Final answer
   x = 1,280.55