Finding the Fourth Proportional to 2,505.82, 3,754.26 and 2,136.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.82 : 3,754.26 = 2,136.86 : x
2. Step 2: Convert to fraction form
   2,505.82/3,754.26 = 2,136.86/x
3. Step 3: Cross multiply
   2,505.82x = 3,754.26 × 2,136.86
4. Step 4: Simplify right side
   2,505.82x = 8,022,337.41
5. Step 5: Solve for x
   x = 8,022,337.41/2,505.82
6. Step 6: Final answer
   x = 3,201.49