Finding the Fourth Proportional to 2,253.25, 3,380.38 and 693.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.25 : 3,380.38 = 693.42 : x
2. Step 2: Convert to fraction form
   2,253.25/3,380.38 = 693.42/x
3. Step 3: Cross multiply
   2,253.25x = 3,380.38 × 693.42
4. Step 4: Simplify right side
   2,253.25x = 2,344,023.10
5. Step 5: Solve for x
   x = 2,344,023.10/2,253.25
6. Step 6: Final answer
   x = 1,040.29