Finding the Fourth Proportional to 1,151.81, 1,589.32 and 654.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.81 : 1,589.32 = 654.47 : x
2. Step 2: Convert to fraction form
   1,151.81/1,589.32 = 654.47/x
3. Step 3: Cross multiply
   1,151.81x = 1,589.32 × 654.47
4. Step 4: Simplify right side
   1,151.81x = 1,040,162.26
5. Step 5: Solve for x
   x = 1,040,162.26/1,151.81
6. Step 6: Final answer
   x = 903.07