Finding the Fourth Proportional to 22,114.86, 30,518.52 and 12,178.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,114.86 : 30,518.52 = 12,178.86 : x
2. Step 2: Convert to fraction form
   22,114.86/30,518.52 = 12,178.86/x
3. Step 3: Cross multiply
   22,114.86x = 30,518.52 × 12,178.86
4. Step 4: Simplify right side
   22,114.86x = 371,680,782.49
5. Step 5: Solve for x
   x = 371,680,782.49/22,114.86
6. Step 6: Final answer
   x = 16,806.83