Finding the Fourth Proportional to 6,605.82, 9,905.58 and 2,222.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,605.82 : 9,905.58 = 2,222.10 : x
2. Step 2: Convert to fraction form
   6,605.82/9,905.58 = 2,222.10/x
3. Step 3: Cross multiply
   6,605.82x = 9,905.58 × 2,222.10
4. Step 4: Simplify right side
   6,605.82x = 22,011,189.32
5. Step 5: Solve for x
   x = 22,011,189.32/6,605.82
6. Step 6: Final answer
   x = 3,332.09