Finding the Fourth Proportional to 3,499.31, 4,829.71 and 2,008.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.31 : 4,829.71 = 2,008.21 : x
2. Step 2: Convert to fraction form
   3,499.31/4,829.71 = 2,008.21/x
3. Step 3: Cross multiply
   3,499.31x = 4,829.71 × 2,008.21
4. Step 4: Simplify right side
   3,499.31x = 9,699,071.92
5. Step 5: Solve for x
   x = 9,699,071.92/3,499.31
6. Step 6: Final answer
   x = 2,771.71