Finding the Fourth Proportional to 22,171.35, 30,596.70 and 12,099.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,171.35 : 30,596.70 = 12,099.69 : x
2. Step 2: Convert to fraction form
   22,171.35/30,596.70 = 12,099.69/x
3. Step 3: Cross multiply
   22,171.35x = 30,596.70 × 12,099.69
4. Step 4: Simplify right side
   22,171.35x = 370,210,585.02
5. Step 5: Solve for x
   x = 370,210,585.02/22,171.35
6. Step 6: Final answer
   x = 16,697.70