Finding the Fourth Proportional to 22,269.25, 30,723.01 and 12,709.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,269.25 : 30,723.01 = 12,709.67 : x
2. Step 2: Convert to fraction form
   22,269.25/30,723.01 = 12,709.67/x
3. Step 3: Cross multiply
   22,269.25x = 30,723.01 × 12,709.67
4. Step 4: Simplify right side
   22,269.25x = 390,479,172.59
5. Step 5: Solve for x
   x = 390,479,172.59/22,269.25
6. Step 6: Final answer
   x = 17,534.46