Finding the Fourth Proportional to 67,139.91, 100,689.24 and 22,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   67,139.91 : 100,689.24 = 22,152.96 : x
2. Step 2: Convert to fraction form
   67,139.91/100,689.24 = 22,152.96/x
3. Step 3: Cross multiply
   67,139.91x = 100,689.24 × 22,152.96
4. Step 4: Simplify right side
   67,139.91x = 2,230,564,706.15
5. Step 5: Solve for x
   x = 2,230,564,706.15/67,139.91
6. Step 6: Final answer
   x = 33,222.63