Finding the Fourth Proportional to 2,382.62, 3,276.86 and 2,087.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.62 : 3,276.86 = 2,087.37 : x
2. Step 2: Convert to fraction form
   2,382.62/3,276.86 = 2,087.37/x
3. Step 3: Cross multiply
   2,382.62x = 3,276.86 × 2,087.37
4. Step 4: Simplify right side
   2,382.62x = 6,840,008.82
5. Step 5: Solve for x
   x = 6,840,008.82/2,382.62
6. Step 6: Final answer
   x = 2,870.80