Finding the Fourth Proportional to 3,713.64, 5,124.83 and 2,012.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,713.64 : 5,124.83 = 2,012.15 : x
2. Step 2: Convert to fraction form
   3,713.64/5,124.83 = 2,012.15/x
3. Step 3: Cross multiply
   3,713.64x = 5,124.83 × 2,012.15
4. Step 4: Simplify right side
   3,713.64x = 10,311,919.14
5. Step 5: Solve for x
   x = 10,311,919.14/3,713.64
6. Step 6: Final answer
   x = 2,776.77