Finding the Fourth Proportional to 79,110.73, 109,171.88 and 42,811.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,110.73 : 109,171.88 = 42,811.34 : x
2. Step 2: Convert to fraction form
   79,110.73/109,171.88 = 42,811.34/x
3. Step 3: Cross multiply
   79,110.73x = 109,171.88 × 42,811.34
4. Step 4: Simplify right side
   79,110.73x = 4,673,794,114.56
5. Step 5: Solve for x
   x = 4,673,794,114.56/79,110.73
6. Step 6: Final answer
   x = 59,079.14