Finding the Fourth Proportional to 79,478.56, 109,680.34 and 43,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,478.56 : 109,680.34 = 43,668.50 : x
2. Step 2: Convert to fraction form
   79,478.56/109,680.34 = 43,668.50/x
3. Step 3: Cross multiply
   79,478.56x = 109,680.34 × 43,668.50
4. Step 4: Simplify right side
   79,478.56x = 4,789,575,927.29
5. Step 5: Solve for x
   x = 4,789,575,927.29/79,478.56
6. Step 6: Final answer
   x = 60,262.49