Finding the Fourth Proportional to 2,422.68, 3,628.90 and 1,382.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.68 : 3,628.90 = 1,382.15 : x
2. Step 2: Convert to fraction form
   2,422.68/3,628.90 = 1,382.15/x
3. Step 3: Cross multiply
   2,422.68x = 3,628.90 × 1,382.15
4. Step 4: Simplify right side
   2,422.68x = 5,015,684.14
5. Step 5: Solve for x
   x = 5,015,684.14/2,422.68
6. Step 6: Final answer
   x = 2,070.30