Finding the Fourth Proportional to 10,401.45, 14,353.98 and 5,685.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.45 : 14,353.98 = 5,685.73 : x
2. Step 2: Convert to fraction form
   10,401.45/14,353.98 = 5,685.73/x
3. Step 3: Cross multiply
   10,401.45x = 14,353.98 × 5,685.73
4. Step 4: Simplify right side
   10,401.45x = 81,612,797.50
5. Step 5: Solve for x
   x = 81,612,797.50/10,401.45
6. Step 6: Final answer
   x = 7,846.29