Finding the Fourth Proportional to 3,499.20, 4,829.31 and 2,007.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.20 : 4,829.31 = 2,007.59 : x
2. Step 2: Convert to fraction form
   3,499.20/4,829.31 = 2,007.59/x
3. Step 3: Cross multiply
   3,499.20x = 4,829.31 × 2,007.59
4. Step 4: Simplify right side
   3,499.20x = 9,695,250.32
5. Step 5: Solve for x
   x = 9,695,250.32/3,499.20
6. Step 6: Final answer
   x = 2,770.70