Finding the Fourth Proportional to 79,540.21, 109,765.56 and 43,730.83

Step by Step Solution

1. Step 1: Write the proportion equation
   79,540.21 : 109,765.56 = 43,730.83 : x
2. Step 2: Convert to fraction form
   79,540.21/109,765.56 = 43,730.83/x
3. Step 3: Cross multiply
   79,540.21x = 109,765.56 × 43,730.83
4. Step 4: Simplify right side
   79,540.21x = 4,800,139,044.21
5. Step 5: Solve for x
   x = 4,800,139,044.21/79,540.21
6. Step 6: Final answer
   x = 60,348.58