Finding the Fourth Proportional to 79,087.36, 118,766.72 and 70,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,087.36 : 118,766.72 = 70,222.72 : x
2. Step 2: Convert to fraction form
   79,087.36/118,766.72 = 70,222.72/x
3. Step 3: Cross multiply
   79,087.36x = 118,766.72 × 70,222.72
4. Step 4: Simplify right side
   79,087.36x = 8,340,122,123.88
5. Step 5: Solve for x
   x = 8,340,122,123.88/79,087.36
6. Step 6: Final answer
   x = 105,454.55