Finding the Fourth Proportional to 16,477.56, 22,737.78 and 9,403.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.56 : 22,737.78 = 9,403.02 : x
2. Step 2: Convert to fraction form
   16,477.56/22,737.78 = 9,403.02/x
3. Step 3: Cross multiply
   16,477.56x = 22,737.78 × 9,403.02
4. Step 4: Simplify right side
   16,477.56x = 213,803,800.10
5. Step 5: Solve for x
   x = 213,803,800.10/16,477.56
6. Step 6: Final answer
   x = 12,975.45