Finding the Fourth Proportional to 1,151.60, 1,589.18 and 654.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.60 : 1,589.18 = 654.22 : x
2. Step 2: Convert to fraction form
   1,151.60/1,589.18 = 654.22/x
3. Step 3: Cross multiply
   1,151.60x = 1,589.18 × 654.22
4. Step 4: Simplify right side
   1,151.60x = 1,039,673.34
5. Step 5: Solve for x
   x = 1,039,673.34/1,151.60
6. Step 6: Final answer
   x = 902.81