Finding the Fourth Proportional to 2,445.27, 3,667.87 and 984.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.27 : 3,667.87 = 984.39 : x
2. Step 2: Convert to fraction form
   2,445.27/3,667.87 = 984.39/x
3. Step 3: Cross multiply
   2,445.27x = 3,667.87 × 984.39
4. Step 4: Simplify right side
   2,445.27x = 3,610,591.29
5. Step 5: Solve for x
   x = 3,610,591.29/2,445.27
6. Step 6: Final answer
   x = 1,476.56