Finding the Fourth Proportional to 2,686.02, 3,704.57 and 2,219.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.02 : 3,704.57 = 2,219.46 : x
2. Step 2: Convert to fraction form
   2,686.02/3,704.57 = 2,219.46/x
3. Step 3: Cross multiply
   2,686.02x = 3,704.57 × 2,219.46
4. Step 4: Simplify right side
   2,686.02x = 8,222,144.93
5. Step 5: Solve for x
   x = 8,222,144.93/2,686.02
6. Step 6: Final answer
   x = 3,061.09