Finding the Fourth Proportional to 2,086.49, 3,130.33 and 1,045.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.49 : 3,130.33 = 1,045.24 : x
2. Step 2: Convert to fraction form
   2,086.49/3,130.33 = 1,045.24/x
3. Step 3: Cross multiply
   2,086.49x = 3,130.33 × 1,045.24
4. Step 4: Simplify right side
   2,086.49x = 3,271,937.65
5. Step 5: Solve for x
   x = 3,271,937.65/2,086.49
6. Step 6: Final answer
   x = 1,568.15