Finding the Fourth Proportional to 1,152.23, 1,589.90 and 654.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.23 : 1,589.90 = 654.83 : x
2. Step 2: Convert to fraction form
   1,152.23/1,589.90 = 654.83/x
3. Step 3: Cross multiply
   1,152.23x = 1,589.90 × 654.83
4. Step 4: Simplify right side
   1,152.23x = 1,041,123.42
5. Step 5: Solve for x
   x = 1,041,123.42/1,152.23
6. Step 6: Final answer
   x = 903.58