Finding the Fourth Proportional to 16,223.55, 22,388.58 and 9,054.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.55 : 22,388.58 = 9,054.15 : x
2. Step 2: Convert to fraction form
   16,223.55/22,388.58 = 9,054.15/x
3. Step 3: Cross multiply
   16,223.55x = 22,388.58 × 9,054.15
4. Step 4: Simplify right side
   16,223.55x = 202,709,561.61
5. Step 5: Solve for x
   x = 202,709,561.61/16,223.55
6. Step 6: Final answer
   x = 12,494.77