Finding the Fourth Proportional to 6,605.82, 9,910.89 and 3,142.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,605.82 : 9,910.89 = 3,142.62 : x
2. Step 2: Convert to fraction form
   6,605.82/9,910.89 = 3,142.62/x
3. Step 3: Cross multiply
   6,605.82x = 9,910.89 × 3,142.62
4. Step 4: Simplify right side
   6,605.82x = 31,146,161.13
5. Step 5: Solve for x
   x = 31,146,161.13/6,605.82
6. Step 6: Final answer
   x = 4,714.96