Finding the Fourth Proportional to 2,421.64, 3,632.91 and 1,382.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.64 : 3,632.91 = 1,382.82 : x
2. Step 2: Convert to fraction form
   2,421.64/3,632.91 = 1,382.82/x
3. Step 3: Cross multiply
   2,421.64x = 3,632.91 × 1,382.82
4. Step 4: Simplify right side
   2,421.64x = 5,023,660.61
5. Step 5: Solve for x
   x = 5,023,660.61/2,421.64
6. Step 6: Final answer
   x = 2,074.49