Finding the Fourth Proportional to 22,226.52, 30,671.82 and 12,155.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,226.52 : 30,671.82 = 12,155.16 : x
2. Step 2: Convert to fraction form
   22,226.52/30,671.82 = 12,155.16/x
3. Step 3: Cross multiply
   22,226.52x = 30,671.82 × 12,155.16
4. Step 4: Simplify right side
   22,226.52x = 372,820,879.59
5. Step 5: Solve for x
   x = 372,820,879.59/22,226.52
6. Step 6: Final answer
   x = 16,773.70