Finding the Fourth Proportional to 1,633.78, 2,449.86 and 984.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.78 : 2,449.86 = 984.16 : x
2. Step 2: Convert to fraction form
   1,633.78/2,449.86 = 984.16/x
3. Step 3: Cross multiply
   1,633.78x = 2,449.86 × 984.16
4. Step 4: Simplify right side
   1,633.78x = 2,411,054.22
5. Step 5: Solve for x
   x = 2,411,054.22/1,633.78
6. Step 6: Final answer
   x = 1,475.75