Finding the Fourth Proportional to 1,019.88, 1,531.98 and 655.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.88 : 1,531.98 = 655.56 : x
2. Step 2: Convert to fraction form
   1,019.88/1,531.98 = 655.56/x
3. Step 3: Cross multiply
   1,019.88x = 1,531.98 × 655.56
4. Step 4: Simplify right side
   1,019.88x = 1,004,304.81
5. Step 5: Solve for x
   x = 1,004,304.81/1,019.88
6. Step 6: Final answer
   x = 984.73