Finding the Fourth Proportional to 22,408.78, 30,925.02 and 12,338.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,408.78 : 30,925.02 = 12,338.17 : x
2. Step 2: Convert to fraction form
   22,408.78/30,925.02 = 12,338.17/x
3. Step 3: Cross multiply
   22,408.78x = 30,925.02 × 12,338.17
4. Step 4: Simplify right side
   22,408.78x = 381,558,192.82
5. Step 5: Solve for x
   x = 381,558,192.82/22,408.78
6. Step 6: Final answer
   x = 17,027.18