Finding the Fourth Proportional to 22,166.59, 30,591.06 and 12,735.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,166.59 : 30,591.06 = 12,735.76 : x
2. Step 2: Convert to fraction form
   22,166.59/30,591.06 = 12,735.76/x
3. Step 3: Cross multiply
   22,166.59x = 30,591.06 × 12,735.76
4. Step 4: Simplify right side
   22,166.59x = 389,600,245.35
5. Step 5: Solve for x
   x = 389,600,245.35/22,166.59
6. Step 6: Final answer
   x = 17,576.02