Finding the Fourth Proportional to 2,087.82, 2,872.80 and 2,038.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.82 : 2,872.80 = 2,038.59 : x
2. Step 2: Convert to fraction form
   2,087.82/2,872.80 = 2,038.59/x
3. Step 3: Cross multiply
   2,087.82x = 2,872.80 × 2,038.59
4. Step 4: Simplify right side
   2,087.82x = 5,856,461.35
5. Step 5: Solve for x
   x = 5,856,461.35/2,087.82
6. Step 6: Final answer
   x = 2,805.06