Finding the Fourth Proportional to 67,222.26, 100,826.38 and 42,188.08

Step by Step Solution

1. Step 1: Write the proportion equation
   67,222.26 : 100,826.38 = 42,188.08 : x
2. Step 2: Convert to fraction form
   67,222.26/100,826.38 = 42,188.08/x
3. Step 3: Cross multiply
   67,222.26x = 100,826.38 × 42,188.08
4. Step 4: Simplify right side
   67,222.26x = 4,253,671,385.55
5. Step 5: Solve for x
   x = 4,253,671,385.55/67,222.26
6. Step 6: Final answer
   x = 63,277.72