Finding the Fourth Proportional to 16,288.10, 22,477.37 and 9,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,288.10 : 22,477.37 = 9,574.50 : x
2. Step 2: Convert to fraction form
   16,288.10/22,477.37 = 9,574.50/x
3. Step 3: Cross multiply
   16,288.10x = 22,477.37 × 9,574.50
4. Step 4: Simplify right side
   16,288.10x = 215,209,531.19
5. Step 5: Solve for x
   x = 215,209,531.19/16,288.10
6. Step 6: Final answer
   x = 13,212.69