Finding the Fourth Proportional to 6,488.69, 9,733.35 and 3,159.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.69 : 9,733.35 = 3,159.99 : x
2. Step 2: Convert to fraction form
   6,488.69/9,733.35 = 3,159.99/x
3. Step 3: Cross multiply
   6,488.69x = 9,733.35 × 3,159.99
4. Step 4: Simplify right side
   6,488.69x = 30,757,288.67
5. Step 5: Solve for x
   x = 30,757,288.67/6,488.69
6. Step 6: Final answer
   x = 4,740.14