Finding the Fourth Proportional to 6,603.89, 9,113.32 and 3,619.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,603.89 : 9,113.32 = 3,619.72 : x
2. Step 2: Convert to fraction form
   6,603.89/9,113.32 = 3,619.72/x
3. Step 3: Cross multiply
   6,603.89x = 9,113.32 × 3,619.72
4. Step 4: Simplify right side
   6,603.89x = 32,987,682.59
5. Step 5: Solve for x
   x = 32,987,682.59/6,603.89
6. Step 6: Final answer
   x = 4,995.19