Finding the Fourth Proportional to 2,766.37, 3,817.55 and 1,587.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.37 : 3,817.55 = 1,587.41 : x
2. Step 2: Convert to fraction form
   2,766.37/3,817.55 = 1,587.41/x
3. Step 3: Cross multiply
   2,766.37x = 3,817.55 × 1,587.41
4. Step 4: Simplify right side
   2,766.37x = 6,060,030.56
5. Step 5: Solve for x
   x = 6,060,030.56/2,766.37
6. Step 6: Final answer
   x = 2,190.61