Finding the Fourth Proportional to 1,382.32, 2,063.32 and 1,266.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.32 : 2,063.32 = 1,266.88 : x
2. Step 2: Convert to fraction form
   1,382.32/2,063.32 = 1,266.88/x
3. Step 3: Cross multiply
   1,382.32x = 2,063.32 × 1,266.88
4. Step 4: Simplify right side
   1,382.32x = 2,613,978.84
5. Step 5: Solve for x
   x = 2,613,978.84/1,382.32
6. Step 6: Final answer
   x = 1,891.01