Finding the Fourth Proportional to 3,693.68, 5,097.60 and 2,122.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.68 : 5,097.60 = 2,122.32 : x
2. Step 2: Convert to fraction form
   3,693.68/5,097.60 = 2,122.32/x
3. Step 3: Cross multiply
   3,693.68x = 5,097.60 × 2,122.32
4. Step 4: Simplify right side
   3,693.68x = 10,818,738.43
5. Step 5: Solve for x
   x = 10,818,738.43/3,693.68
6. Step 6: Final answer
   x = 2,928.99