Finding the Fourth Proportional to 16,143.25, 22,277.33 and 9,430.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,143.25 : 22,277.33 = 9,430.53 : x
2. Step 2: Convert to fraction form
   16,143.25/22,277.33 = 9,430.53/x
3. Step 3: Cross multiply
   16,143.25x = 22,277.33 × 9,430.53
4. Step 4: Simplify right side
   16,143.25x = 210,086,933.56
5. Step 5: Solve for x
   x = 210,086,933.56/16,143.25
6. Step 6: Final answer
   x = 13,013.92