Finding the Fourth Proportional to 79,436.39, 109,622.33 and 43,137.85

Step by Step Solution

1. Step 1: Write the proportion equation
   79,436.39 : 109,622.33 = 43,137.85 : x
2. Step 2: Convert to fraction form
   79,436.39/109,622.33 = 43,137.85/x
3. Step 3: Cross multiply
   79,436.39x = 109,622.33 × 43,137.85
4. Step 4: Simplify right side
   79,436.39x = 4,728,871,436.57
5. Step 5: Solve for x
   x = 4,728,871,436.57/79,436.39
6. Step 6: Final answer
   x = 59,530.29