Finding the Fourth Proportional to 22,287.08, 30,755.90 and 12,077.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,287.08 : 30,755.90 = 12,077.89 : x
2. Step 2: Convert to fraction form
   22,287.08/30,755.90 = 12,077.89/x
3. Step 3: Cross multiply
   22,287.08x = 30,755.90 × 12,077.89
4. Step 4: Simplify right side
   22,287.08x = 371,466,377.05
5. Step 5: Solve for x
   x = 371,466,377.05/22,287.08
6. Step 6: Final answer
   x = 16,667.34