Finding the Fourth Proportional to 2,541.50, 3,508.72 and 1,919.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.50 : 3,508.72 = 1,919.42 : x
2. Step 2: Convert to fraction form
   2,541.50/3,508.72 = 1,919.42/x
3. Step 3: Cross multiply
   2,541.50x = 3,508.72 × 1,919.42
4. Step 4: Simplify right side
   2,541.50x = 6,734,707.34
5. Step 5: Solve for x
   x = 6,734,707.34/2,541.50
6. Step 6: Final answer
   x = 2,649.89