Finding the Fourth Proportional to 1,151.71, 1,589.40 and 654.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.71 : 1,589.40 = 654.37 : x
2. Step 2: Convert to fraction form
   1,151.71/1,589.40 = 654.37/x
3. Step 3: Cross multiply
   1,151.71x = 1,589.40 × 654.37
4. Step 4: Simplify right side
   1,151.71x = 1,040,051.70
5. Step 5: Solve for x
   x = 1,040,051.70/1,151.71
6. Step 6: Final answer
   x = 903.05