Finding the Fourth Proportional to 2,300.80, 3,451.65 and 984.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.80 : 3,451.65 = 984.55 : x
2. Step 2: Convert to fraction form
   2,300.80/3,451.65 = 984.55/x
3. Step 3: Cross multiply
   2,300.80x = 3,451.65 × 984.55
4. Step 4: Simplify right side
   2,300.80x = 3,398,322.01
5. Step 5: Solve for x
   x = 3,398,322.01/2,300.80
6. Step 6: Final answer
   x = 1,477.02