Finding the Fourth Proportional to 9,402.86, 14,105.91 and 3,163.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.86 : 14,105.91 = 3,163.47 : x
2. Step 2: Convert to fraction form
   9,402.86/14,105.91 = 3,163.47/x
3. Step 3: Cross multiply
   9,402.86x = 14,105.91 × 3,163.47
4. Step 4: Simplify right side
   9,402.86x = 44,623,607.29
5. Step 5: Solve for x
   x = 44,623,607.29/9,402.86
6. Step 6: Final answer
   x = 4,745.75