Finding the Fourth Proportional to 7,073.46, 9,761.32 and 3,886.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,073.46 : 9,761.32 = 3,886.79 : x
2. Step 2: Convert to fraction form
   7,073.46/9,761.32 = 3,886.79/x
3. Step 3: Cross multiply
   7,073.46x = 9,761.32 × 3,886.79
4. Step 4: Simplify right side
   7,073.46x = 37,940,175.32
5. Step 5: Solve for x
   x = 37,940,175.32/7,073.46
6. Step 6: Final answer
   x = 5,363.74