Finding the Fourth Proportional to 2,425.69, 3,638.46 and 694.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.69 : 3,638.46 = 694.32 : x
2. Step 2: Convert to fraction form
   2,425.69/3,638.46 = 694.32/x
3. Step 3: Cross multiply
   2,425.69x = 3,638.46 × 694.32
4. Step 4: Simplify right side
   2,425.69x = 2,526,255.55
5. Step 5: Solve for x
   x = 2,526,255.55/2,425.69
6. Step 6: Final answer
   x = 1,041.46