Finding the Fourth Proportional to 6,603.63, 9,908.69 and 2,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,603.63 : 9,908.69 = 2,654.72 : x
2. Step 2: Convert to fraction form
   6,603.63/9,908.69 = 2,654.72/x
3. Step 3: Cross multiply
   6,603.63x = 9,908.69 × 2,654.72
4. Step 4: Simplify right side
   6,603.63x = 26,304,771.86
5. Step 5: Solve for x
   x = 26,304,771.86/6,603.63
6. Step 6: Final answer
   x = 3,983.38