Finding the Fourth Proportional to 2,934.72, 4,039.74 and 2,536.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.72 : 4,039.74 = 2,536.20 : x
2. Step 2: Convert to fraction form
   2,934.72/4,039.74 = 2,536.20/x
3. Step 3: Cross multiply
   2,934.72x = 4,039.74 × 2,536.20
4. Step 4: Simplify right side
   2,934.72x = 10,245,588.59
5. Step 5: Solve for x
   x = 10,245,588.59/2,934.72
6. Step 6: Final answer
   x = 3,491.16