Finding the Fourth Proportional to 2,548.05, 3,821.81 and 699.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.05 : 3,821.81 = 699.33 : x
2. Step 2: Convert to fraction form
   2,548.05/3,821.81 = 699.33/x
3. Step 3: Cross multiply
   2,548.05x = 3,821.81 × 699.33
4. Step 4: Simplify right side
   2,548.05x = 2,672,702.89
5. Step 5: Solve for x
   x = 2,672,702.89/2,548.05
6. Step 6: Final answer
   x = 1,048.92