Finding the Fourth Proportional to 22,146.06, 30,561.60 and 12,074.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.06 : 30,561.60 = 12,074.34 : x
2. Step 2: Convert to fraction form
   22,146.06/30,561.60 = 12,074.34/x
3. Step 3: Cross multiply
   22,146.06x = 30,561.60 × 12,074.34
4. Step 4: Simplify right side
   22,146.06x = 369,011,149.34
5. Step 5: Solve for x
   x = 369,011,149.34/22,146.06
6. Step 6: Final answer
   x = 16,662.61