Finding the Fourth Proportional to 2,326.42, 3,210.49 and 1,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.42 : 3,210.49 = 1,382.72 : x
2. Step 2: Convert to fraction form
   2,326.42/3,210.49 = 1,382.72/x
3. Step 3: Cross multiply
   2,326.42x = 3,210.49 × 1,382.72
4. Step 4: Simplify right side
   2,326.42x = 4,439,204.69
5. Step 5: Solve for x
   x = 4,439,204.69/2,326.42
6. Step 6: Final answer
   x = 1,908.17