Finding the Fourth Proportional to 22,073.34, 30,428.31 and 16,111.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,073.34 : 30,428.31 = 16,111.74 : x
2. Step 2: Convert to fraction form
   22,073.34/30,428.31 = 16,111.74/x
3. Step 3: Cross multiply
   22,073.34x = 30,428.31 × 16,111.74
4. Step 4: Simplify right side
   22,073.34x = 490,253,019.36
5. Step 5: Solve for x
   x = 490,253,019.36/22,073.34
6. Step 6: Final answer
   x = 22,210.19