Finding the Fourth Proportional to 3,693.35, 5,096.61 and 2,121.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.35 : 5,096.61 = 2,121.44 : x
2. Step 2: Convert to fraction form
   3,693.35/5,096.61 = 2,121.44/x
3. Step 3: Cross multiply
   3,693.35x = 5,096.61 × 2,121.44
4. Step 4: Simplify right side
   3,693.35x = 10,812,152.32
5. Step 5: Solve for x
   x = 10,812,152.32/3,693.35
6. Step 6: Final answer
   x = 2,927.46