Finding the Fourth Proportional to 2,542.37, 3,813.89 and 693.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.37 : 3,813.89 = 693.54 : x
2. Step 2: Convert to fraction form
   2,542.37/3,813.89 = 693.54/x
3. Step 3: Cross multiply
   2,542.37x = 3,813.89 × 693.54
4. Step 4: Simplify right side
   2,542.37x = 2,645,081.80
5. Step 5: Solve for x
   x = 2,645,081.80/2,542.37
6. Step 6: Final answer
   x = 1,040.40