Finding the Fourth Proportional to 79,286.50, 109,418.69 and 43,477.89

Step by Step Solution

1. Step 1: Write the proportion equation
   79,286.50 : 109,418.69 = 43,477.89 : x
2. Step 2: Convert to fraction form
   79,286.50/109,418.69 = 43,477.89/x
3. Step 3: Cross multiply
   79,286.50x = 109,418.69 × 43,477.89
4. Step 4: Simplify right side
   79,286.50x = 4,757,293,767.76
5. Step 5: Solve for x
   x = 4,757,293,767.76/79,286.50
6. Step 6: Final answer
   x = 60,001.31