Finding the Fourth Proportional to 1,789.11, 2,466.69 and 1,158.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.11 : 2,466.69 = 1,158.53 : x
2. Step 2: Convert to fraction form
   1,789.11/2,466.69 = 1,158.53/x
3. Step 3: Cross multiply
   1,789.11x = 2,466.69 × 1,158.53
4. Step 4: Simplify right side
   1,789.11x = 2,857,734.37
5. Step 5: Solve for x
   x = 2,857,734.37/1,789.11
6. Step 6: Final answer
   x = 1,597.29