Finding the Fourth Proportional to 1,151.90, 1,589.28 and 654.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.90 : 1,589.28 = 654.53 : x
2. Step 2: Convert to fraction form
   1,151.90/1,589.28 = 654.53/x
3. Step 3: Cross multiply
   1,151.90x = 1,589.28 × 654.53
4. Step 4: Simplify right side
   1,151.90x = 1,040,223.49
5. Step 5: Solve for x
   x = 1,040,223.49/1,151.90
6. Step 6: Final answer
   x = 903.05