Finding the Fourth Proportional to 22,510.06, 31,063.23 and 12,438.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510.06 : 31,063.23 = 12,438.34 : x
2. Step 2: Convert to fraction form
   22,510.06/31,063.23 = 12,438.34/x
3. Step 3: Cross multiply
   22,510.06x = 31,063.23 × 12,438.34
4. Step 4: Simplify right side
   22,510.06x = 386,375,016.24
5. Step 5: Solve for x
   x = 386,375,016.24/22,510.06
6. Step 6: Final answer
   x = 17,164.55