Finding the Fourth Proportional to 1,097.02, 1,643.73 and 984.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.02 : 1,643.73 = 984.10 : x
2. Step 2: Convert to fraction form
   1,097.02/1,643.73 = 984.10/x
3. Step 3: Cross multiply
   1,097.02x = 1,643.73 × 984.10
4. Step 4: Simplify right side
   1,097.02x = 1,617,594.69
5. Step 5: Solve for x
   x = 1,617,594.69/1,097.02
6. Step 6: Final answer
   x = 1,474.54