Finding the Fourth Proportional to 3,693.16, 5,096.60 and 2,121.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.16 : 5,096.60 = 2,121.24 : x
2. Step 2: Convert to fraction form
   3,693.16/5,096.60 = 2,121.24/x
3. Step 3: Cross multiply
   3,693.16x = 5,096.60 × 2,121.24
4. Step 4: Simplify right side
   3,693.16x = 10,811,111.78
5. Step 5: Solve for x
   x = 10,811,111.78/3,693.16
6. Step 6: Final answer
   x = 2,927.33