Finding the Fourth Proportional to 22,187.57, 30,619.04 and 12,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,187.57 : 30,619.04 = 12,116.12 : x
2. Step 2: Convert to fraction form
   22,187.57/30,619.04 = 12,116.12/x
3. Step 3: Cross multiply
   22,187.57x = 30,619.04 × 12,116.12
4. Step 4: Simplify right side
   22,187.57x = 370,983,978.89
5. Step 5: Solve for x
   x = 370,983,978.89/22,187.57
6. Step 6: Final answer
   x = 16,720.36