Finding the Fourth Proportional to 6,606.23, 9,116.72 and 3,621.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,606.23 : 9,116.72 = 3,621.89 : x
2. Step 2: Convert to fraction form
   6,606.23/9,116.72 = 3,621.89/x
3. Step 3: Cross multiply
   6,606.23x = 9,116.72 × 3,621.89
4. Step 4: Simplify right side
   6,606.23x = 33,019,711.42
5. Step 5: Solve for x
   x = 33,019,711.42/6,606.23
6. Step 6: Final answer
   x = 4,998.27