Finding the Fourth Proportional to 79,315.79, 109,456.38 and 43,505.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,315.79 : 109,456.38 = 43,505.42 : x
2. Step 2: Convert to fraction form
   79,315.79/109,456.38 = 43,505.42/x
3. Step 3: Cross multiply
   79,315.79x = 109,456.38 × 43,505.42
4. Step 4: Simplify right side
   79,315.79x = 4,761,945,236.30
5. Step 5: Solve for x
   x = 4,761,945,236.30/79,315.79
6. Step 6: Final answer
   x = 60,037.80