Finding the Fourth Proportional to 9,462.78, 14,190.41 and 3,221.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,462.78 : 14,190.41 = 3,221.52 : x
2. Step 2: Convert to fraction form
   9,462.78/14,190.41 = 3,221.52/x
3. Step 3: Cross multiply
   9,462.78x = 14,190.41 × 3,221.52
4. Step 4: Simplify right side
   9,462.78x = 45,714,673.52
5. Step 5: Solve for x
   x = 45,714,673.52/9,462.78
6. Step 6: Final answer
   x = 4,831.00