Finding the Fourth Proportional to 22,460.23, 30,994.57 and 12,388.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.23 : 30,994.57 = 12,388.45 : x
2. Step 2: Convert to fraction form
   22,460.23/30,994.57 = 12,388.45/x
3. Step 3: Cross multiply
   22,460.23x = 30,994.57 × 12,388.45
4. Step 4: Simplify right side
   22,460.23x = 383,974,678.79
5. Step 5: Solve for x
   x = 383,974,678.79/22,460.23
6. Step 6: Final answer
   x = 17,095.76