Finding the Fourth Proportional to 22,093.10, 30,478.58 and 14,920.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,093.10 : 30,478.58 = 14,920.71 : x
2. Step 2: Convert to fraction form
   22,093.10/30,478.58 = 14,920.71/x
3. Step 3: Cross multiply
   22,093.10x = 30,478.58 × 14,920.71
4. Step 4: Simplify right side
   22,093.10x = 454,761,978.79
5. Step 5: Solve for x
   x = 454,761,978.79/22,093.10
6. Step 6: Final answer
   x = 20,583.90