Finding the Fourth Proportional to 3,716.69, 5,128.99 and 2,038.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.69 : 5,128.99 = 2,038.10 : x
2. Step 2: Convert to fraction form
   3,716.69/5,128.99 = 2,038.10/x
3. Step 3: Cross multiply
   3,716.69x = 5,128.99 × 2,038.10
4. Step 4: Simplify right side
   3,716.69x = 10,453,363.78
5. Step 5: Solve for x
   x = 10,453,363.78/3,716.69
6. Step 6: Final answer
   x = 2,812.55