Finding the Fourth Proportional to 2,425.05, 3,636.48 and 693.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.05 : 3,636.48 = 693.27 : x
2. Step 2: Convert to fraction form
   2,425.05/3,636.48 = 693.27/x
3. Step 3: Cross multiply
   2,425.05x = 3,636.48 × 693.27
4. Step 4: Simplify right side
   2,425.05x = 2,521,062.49
5. Step 5: Solve for x
   x = 2,521,062.49/2,425.05
6. Step 6: Final answer
   x = 1,039.59