Finding the Fourth Proportional to 2,611.24, 3,607.14 and 2,086.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.24 : 3,607.14 = 2,086.60 : x
2. Step 2: Convert to fraction form
   2,611.24/3,607.14 = 2,086.60/x
3. Step 3: Cross multiply
   2,611.24x = 3,607.14 × 2,086.60
4. Step 4: Simplify right side
   2,611.24x = 7,526,658.32
5. Step 5: Solve for x
   x = 7,526,658.32/2,611.24
6. Step 6: Final answer
   x = 2,882.41