Finding the Fourth Proportional to 79,436.58, 109,622.05 and 43,137.71

Step by Step Solution

1. Step 1: Write the proportion equation
   79,436.58 : 109,622.05 = 43,137.71 : x
2. Step 2: Convert to fraction form
   79,436.58/109,622.05 = 43,137.71/x
3. Step 3: Cross multiply
   79,436.58x = 109,622.05 × 43,137.71
4. Step 4: Simplify right side
   79,436.58x = 4,728,844,447.38
5. Step 5: Solve for x
   x = 4,728,844,447.38/79,436.58
6. Step 6: Final answer
   x = 59,529.81