Finding the Fourth Proportional to 10,205.46, 14,083.47 and 5,729.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,205.46 : 14,083.47 = 5,729.18 : x
2. Step 2: Convert to fraction form
   10,205.46/14,083.47 = 5,729.18/x
3. Step 3: Cross multiply
   10,205.46x = 14,083.47 × 5,729.18
4. Step 4: Simplify right side
   10,205.46x = 80,686,664.24
5. Step 5: Solve for x
   x = 80,686,664.24/10,205.46
6. Step 6: Final answer
   x = 7,906.23