Finding the Fourth Proportional to 79,580.21, 109,819.82 and 43,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,580.21 : 109,819.82 = 43,770.72 : x
2. Step 2: Convert to fraction form
   79,580.21/109,819.82 = 43,770.72/x
3. Step 3: Cross multiply
   79,580.21x = 109,819.82 × 43,770.72
4. Step 4: Simplify right side
   79,580.21x = 4,806,892,701.10
5. Step 5: Solve for x
   x = 4,806,892,701.10/79,580.21
6. Step 6: Final answer
   x = 60,403.11