Finding the Fourth Proportional to 2,377.71, 3,279.92 and 1,382.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.71 : 3,279.92 = 1,382.88 : x
2. Step 2: Convert to fraction form
   2,377.71/3,279.92 = 1,382.88/x
3. Step 3: Cross multiply
   2,377.71x = 3,279.92 × 1,382.88
4. Step 4: Simplify right side
   2,377.71x = 4,535,735.77
5. Step 5: Solve for x
   x = 4,535,735.77/2,377.71
6. Step 6: Final answer
   x = 1,907.61