Finding the Fourth Proportional to 6,875.82, 9,488.89 and 3,809.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.82 : 9,488.89 = 3,809.73 : x
2. Step 2: Convert to fraction form
   6,875.82/9,488.89 = 3,809.73/x
3. Step 3: Cross multiply
   6,875.82x = 9,488.89 × 3,809.73
4. Step 4: Simplify right side
   6,875.82x = 36,150,108.90
5. Step 5: Solve for x
   x = 36,150,108.90/6,875.82
6. Step 6: Final answer
   x = 5,257.57