Finding the Fourth Proportional to 22,480.34, 31,023.90 and 12,923.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,480.34 : 31,023.90 = 12,923.33 : x
2. Step 2: Convert to fraction form
   22,480.34/31,023.90 = 12,923.33/x
3. Step 3: Cross multiply
   22,480.34x = 31,023.90 × 12,923.33
4. Step 4: Simplify right side
   22,480.34x = 400,931,942.47
5. Step 5: Solve for x
   x = 400,931,942.47/22,480.34
6. Step 6: Final answer
   x = 17,834.78