Finding the Fourth Proportional to 2,766.34, 3,817.42 and 1,587.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.34 : 3,817.42 = 1,587.39 : x
2. Step 2: Convert to fraction form
   2,766.34/3,817.42 = 1,587.39/x
3. Step 3: Cross multiply
   2,766.34x = 3,817.42 × 1,587.39
4. Step 4: Simplify right side
   2,766.34x = 6,059,734.33
5. Step 5: Solve for x
   x = 6,059,734.33/2,766.34
6. Step 6: Final answer
   x = 2,190.52