Finding the Fourth Proportional to 79,789.92, 110,105.12 and 43,980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   79,789.92 : 110,105.12 = 43,980.24 : x
2. Step 2: Convert to fraction form
   79,789.92/110,105.12 = 43,980.24/x
3. Step 3: Cross multiply
   79,789.92x = 110,105.12 × 43,980.24
4. Step 4: Simplify right side
   79,789.92x = 4,842,449,602.83
5. Step 5: Solve for x
   x = 4,842,449,602.83/79,789.92
6. Step 6: Final answer
   x = 60,689.99