Finding the Fourth Proportional to 10,401.27, 14,353.36 and 5,685.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.27 : 14,353.36 = 5,685.45 : x
2. Step 2: Convert to fraction form
   10,401.27/14,353.36 = 5,685.45/x
3. Step 3: Cross multiply
   10,401.27x = 14,353.36 × 5,685.45
4. Step 4: Simplify right side
   10,401.27x = 81,605,310.61
5. Step 5: Solve for x
   x = 81,605,310.61/10,401.27
6. Step 6: Final answer
   x = 7,845.71