Finding the Fourth Proportional to 2,722.10, 3,756.43 and 1,587.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.10 : 3,756.43 = 1,587.99 : x
2. Step 2: Convert to fraction form
   2,722.10/3,756.43 = 1,587.99/x
3. Step 3: Cross multiply
   2,722.10x = 3,756.43 × 1,587.99
4. Step 4: Simplify right side
   2,722.10x = 5,965,150.52
5. Step 5: Solve for x
   x = 5,965,150.52/2,722.10
6. Step 6: Final answer
   x = 2,191.38