Finding the Fourth Proportional to 3,693.48, 5,097.42 and 2,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.48 : 5,097.42 = 2,100.48 : x
2. Step 2: Convert to fraction form
   3,693.48/5,097.42 = 2,100.48/x
3. Step 3: Cross multiply
   3,693.48x = 5,097.42 × 2,100.48
4. Step 4: Simplify right side
   3,693.48x = 10,707,028.76
5. Step 5: Solve for x
   x = 10,707,028.76/3,693.48
6. Step 6: Final answer
   x = 2,898.90