Finding the Fourth Proportional to 3,693.53, 5,096.57 and 2,121.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.53 : 5,096.57 = 2,121.63 : x
2. Step 2: Convert to fraction form
   3,693.53/5,096.57 = 2,121.63/x
3. Step 3: Cross multiply
   3,693.53x = 5,096.57 × 2,121.63
4. Step 4: Simplify right side
   3,693.53x = 10,813,018.02
5. Step 5: Solve for x
   x = 10,813,018.02/3,693.53
6. Step 6: Final answer
   x = 2,927.55