Finding the Fourth Proportional to 1,544.18, 2,131.30 and 984.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.18 : 2,131.30 = 984.52 : x
2. Step 2: Convert to fraction form
   1,544.18/2,131.30 = 984.52/x
3. Step 3: Cross multiply
   1,544.18x = 2,131.30 × 984.52
4. Step 4: Simplify right side
   1,544.18x = 2,098,307.48
5. Step 5: Solve for x
   x = 2,098,307.48/1,544.18
6. Step 6: Final answer
   x = 1,358.85