Finding the Fourth Proportional to 22,479.72, 33,708.79 and 10,623.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.72 : 33,708.79 = 10,623.61 : x
2. Step 2: Convert to fraction form
   22,479.72/33,708.79 = 10,623.61/x
3. Step 3: Cross multiply
   22,479.72x = 33,708.79 × 10,623.61
4. Step 4: Simplify right side
   22,479.72x = 358,109,038.53
5. Step 5: Solve for x
   x = 358,109,038.53/22,479.72
6. Step 6: Final answer
   x = 15,930.32