Finding the Fourth Proportional to 2,469.28, 3,405.93 and 1,586.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.28 : 3,405.93 = 1,586.15 : x
2. Step 2: Convert to fraction form
   2,469.28/3,405.93 = 1,586.15/x
3. Step 3: Cross multiply
   2,469.28x = 3,405.93 × 1,586.15
4. Step 4: Simplify right side
   2,469.28x = 5,402,315.87
5. Step 5: Solve for x
   x = 5,402,315.87/2,469.28
6. Step 6: Final answer
   x = 2,187.81