Finding the Fourth Proportional to 6,443.29, 9,708.82 and 5,298.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.29 : 9,708.82 = 5,298.93 : x
2. Step 2: Convert to fraction form
   6,443.29/9,708.82 = 5,298.93/x
3. Step 3: Cross multiply
   6,443.29x = 9,708.82 × 5,298.93
4. Step 4: Simplify right side
   6,443.29x = 51,446,357.56
5. Step 5: Solve for x
   x = 51,446,357.56/6,443.29
6. Step 6: Final answer
   x = 7,984.49