Finding the Fourth Proportional to 1,675.18, 2,309.61 and 1,150.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.18 : 2,309.61 = 1,150.30 : x
2. Step 2: Convert to fraction form
   1,675.18/2,309.61 = 1,150.30/x
3. Step 3: Cross multiply
   1,675.18x = 2,309.61 × 1,150.30
4. Step 4: Simplify right side
   1,675.18x = 2,656,744.38
5. Step 5: Solve for x
   x = 2,656,744.38/1,675.18
6. Step 6: Final answer
   x = 1,585.95