Finding the Fourth Proportional to 6,603.37, 9,902.69 and 3,092.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,603.37 : 9,902.69 = 3,092.78 : x
2. Step 2: Convert to fraction form
   6,603.37/9,902.69 = 3,092.78/x
3. Step 3: Cross multiply
   6,603.37x = 9,902.69 × 3,092.78
4. Step 4: Simplify right side
   6,603.37x = 30,626,799.80
5. Step 5: Solve for x
   x = 30,626,799.80/6,603.37
6. Step 6: Final answer
   x = 4,638.06