Finding the Fourth Proportional to 16,363.35, 22,580.88 and 9,289.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,363.35 : 22,580.88 = 9,289.32 : x
2. Step 2: Convert to fraction form
   16,363.35/22,580.88 = 9,289.32/x
3. Step 3: Cross multiply
   16,363.35x = 22,580.88 × 9,289.32
4. Step 4: Simplify right side
   16,363.35x = 209,760,900.69
5. Step 5: Solve for x
   x = 209,760,900.69/16,363.35
6. Step 6: Final answer
   x = 12,818.95