Finding the Fourth Proportional to 10,401.05, 14,353.38 and 5,685.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.05 : 14,353.38 = 5,685.36 : x
2. Step 2: Convert to fraction form
   10,401.05/14,353.38 = 5,685.36/x
3. Step 3: Cross multiply
   10,401.05x = 14,353.38 × 5,685.36
4. Step 4: Simplify right side
   10,401.05x = 81,604,132.52
5. Step 5: Solve for x
   x = 81,604,132.52/10,401.05
6. Step 6: Final answer
   x = 7,845.76