Finding the Fourth Proportional to 2,422.96, 3,630.97 and 1,380.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.96 : 3,630.97 = 1,380.81 : x
2. Step 2: Convert to fraction form
   2,422.96/3,630.97 = 1,380.81/x
3. Step 3: Cross multiply
   2,422.96x = 3,630.97 × 1,380.81
4. Step 4: Simplify right side
   2,422.96x = 5,013,679.69
5. Step 5: Solve for x
   x = 5,013,679.69/2,422.96
6. Step 6: Final answer
   x = 2,069.24