Finding the Fourth Proportional to 1,544.25, 2,131.40 and 984.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.25 : 2,131.40 = 984.59 : x
2. Step 2: Convert to fraction form
   1,544.25/2,131.40 = 984.59/x
3. Step 3: Cross multiply
   1,544.25x = 2,131.40 × 984.59
4. Step 4: Simplify right side
   1,544.25x = 2,098,539.55
5. Step 5: Solve for x
   x = 2,098,539.55/1,544.25
6. Step 6: Final answer
   x = 1,358.94