Finding the Fourth Proportional to 22,146.39, 30,570.55 and 16,225.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.39 : 30,570.55 = 16,225.09 : x
2. Step 2: Convert to fraction form
   22,146.39/30,570.55 = 16,225.09/x
3. Step 3: Cross multiply
   22,146.39x = 30,570.55 × 16,225.09
4. Step 4: Simplify right side
   22,146.39x = 496,009,925.10
5. Step 5: Solve for x
   x = 496,009,925.10/22,146.39
6. Step 6: Final answer
   x = 22,396.87