Finding the Fourth Proportional to 2,530.16, 3,491.85 and 1,535.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.16 : 3,491.85 = 1,535.69 : x
2. Step 2: Convert to fraction form
   2,530.16/3,491.85 = 1,535.69/x
3. Step 3: Cross multiply
   2,530.16x = 3,491.85 × 1,535.69
4. Step 4: Simplify right side
   2,530.16x = 5,362,399.13
5. Step 5: Solve for x
   x = 5,362,399.13/2,530.16
6. Step 6: Final answer
   x = 2,119.39