Finding the Fourth Proportional to 6,603.16, 9,112.28 and 3,618.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,603.16 : 9,112.28 = 3,618.96 : x
2. Step 2: Convert to fraction form
   6,603.16/9,112.28 = 3,618.96/x
3. Step 3: Cross multiply
   6,603.16x = 9,112.28 × 3,618.96
4. Step 4: Simplify right side
   6,603.16x = 32,976,976.83
5. Step 5: Solve for x
   x = 32,976,976.83/6,603.16
6. Step 6: Final answer
   x = 4,994.12