Finding the Fourth Proportional to 3,697.05, 5,101.72 and 2,018.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.05 : 5,101.72 = 2,018.13 : x
2. Step 2: Convert to fraction form
   3,697.05/5,101.72 = 2,018.13/x
3. Step 3: Cross multiply
   3,697.05x = 5,101.72 × 2,018.13
4. Step 4: Simplify right side
   3,697.05x = 10,295,934.18
5. Step 5: Solve for x
   x = 10,295,934.18/3,697.05
6. Step 6: Final answer
   x = 2,784.91