Finding the Fourth Proportional to 3,693.72, 5,097.14 and 2,100.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.72 : 5,097.14 = 2,100.16 : x
2. Step 2: Convert to fraction form
   3,693.72/5,097.14 = 2,100.16/x
3. Step 3: Cross multiply
   3,693.72x = 5,097.14 × 2,100.16
4. Step 4: Simplify right side
   3,693.72x = 10,704,809.54
5. Step 5: Solve for x
   x = 10,704,809.54/3,693.72
6. Step 6: Final answer
   x = 2,898.11