Finding the Fourth Proportional to 3,987.82, 5,499.60 and 2,495.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987.82 : 5,499.60 = 2,495.87 : x
2. Step 2: Convert to fraction form
   3,987.82/5,499.60 = 2,495.87/x
3. Step 3: Cross multiply
   3,987.82x = 5,499.60 × 2,495.87
4. Step 4: Simplify right side
   3,987.82x = 13,726,284.46
5. Step 5: Solve for x
   x = 13,726,284.46/3,987.82
6. Step 6: Final answer
   x = 3,442.06