Finding the Fourth Proportional to 6,488.56, 9,733.38 and 2,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.56 : 9,733.38 = 2,105.92 : x
2. Step 2: Convert to fraction form
   6,488.56/9,733.38 = 2,105.92/x
3. Step 3: Cross multiply
   6,488.56x = 9,733.38 × 2,105.92
4. Step 4: Simplify right side
   6,488.56x = 20,497,719.61
5. Step 5: Solve for x
   x = 20,497,719.61/6,488.56
6. Step 6: Final answer
   x = 3,159.06