Finding the Fourth Proportional to 3,693.09, 5,096.47 and 2,516.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.09 : 5,096.47 = 2,516.21 : x
2. Step 2: Convert to fraction form
   3,693.09/5,096.47 = 2,516.21/x
3. Step 3: Cross multiply
   3,693.09x = 5,096.47 × 2,516.21
4. Step 4: Simplify right side
   3,693.09x = 12,823,809.50
5. Step 5: Solve for x
   x = 12,823,809.50/3,693.09
6. Step 6: Final answer
   x = 3,472.38