Finding the Fourth Proportional to 2,530.28, 3,489.52 and 1,586.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.28 : 3,489.52 = 1,586.18 : x
2. Step 2: Convert to fraction form
   2,530.28/3,489.52 = 1,586.18/x
3. Step 3: Cross multiply
   2,530.28x = 3,489.52 × 1,586.18
4. Step 4: Simplify right side
   2,530.28x = 5,535,012.34
5. Step 5: Solve for x
   x = 5,535,012.34/2,530.28
6. Step 6: Final answer
   x = 2,187.51