Finding the Fourth Proportional to 2,445.54, 3,667.74 and 984.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.54 : 3,667.74 = 984.30 : x
2. Step 2: Convert to fraction form
   2,445.54/3,667.74 = 984.30/x
3. Step 3: Cross multiply
   2,445.54x = 3,667.74 × 984.30
4. Step 4: Simplify right side
   2,445.54x = 3,610,156.48
5. Step 5: Solve for x
   x = 3,610,156.48/2,445.54
6. Step 6: Final answer
   x = 1,476.22