Finding the Fourth Proportional to 16,477.48, 22,738.71 and 9,404.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.48 : 22,738.71 = 9,404.02 : x
2. Step 2: Convert to fraction form
   16,477.48/22,738.71 = 9,404.02/x
3. Step 3: Cross multiply
   16,477.48x = 22,738.71 × 9,404.02
4. Step 4: Simplify right side
   16,477.48x = 213,835,283.61
5. Step 5: Solve for x
   x = 213,835,283.61/16,477.48
6. Step 6: Final answer
   x = 12,977.43