Finding the Fourth Proportional to 10,401.11, 14,353.53 and 5,685.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.11 : 14,353.53 = 5,685.39 : x
2. Step 2: Convert to fraction form
   10,401.11/14,353.53 = 5,685.39/x
3. Step 3: Cross multiply
   10,401.11x = 14,353.53 × 5,685.39
4. Step 4: Simplify right side
   10,401.11x = 81,605,415.93
5. Step 5: Solve for x
   x = 81,605,415.93/10,401.11
6. Step 6: Final answer
   x = 7,845.84