Finding the Fourth Proportional to 79,150.37, 109,227.69 and 42,852.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150.37 : 109,227.69 = 42,852.20 : x
2. Step 2: Convert to fraction form
   79,150.37/109,227.69 = 42,852.20/x
3. Step 3: Cross multiply
   79,150.37x = 109,227.69 × 42,852.20
4. Step 4: Simplify right side
   79,150.37x = 4,680,646,578.48
5. Step 5: Solve for x
   x = 4,680,646,578.48/79,150.37
6. Step 6: Final answer
   x = 59,136.13