Finding the Fourth Proportional to 22,215.98, 30,626.42 and 15,133.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,215.98 : 30,626.42 = 15,133.34 : x
2. Step 2: Convert to fraction form
   22,215.98/30,626.42 = 15,133.34/x
3. Step 3: Cross multiply
   22,215.98x = 30,626.42 × 15,133.34
4. Step 4: Simplify right side
   22,215.98x = 463,480,026.84
5. Step 5: Solve for x
   x = 463,480,026.84/22,215.98
6. Step 6: Final answer
   x = 20,862.46