Finding the Fourth Proportional to 79,865.43, 119,696.37 and 42,443.43

Step by Step Solution

1. Step 1: Write the proportion equation
   79,865.43 : 119,696.37 = 42,443.43 : x
2. Step 2: Convert to fraction form
   79,865.43/119,696.37 = 42,443.43/x
3. Step 3: Cross multiply
   79,865.43x = 119,696.37 × 42,443.43
4. Step 4: Simplify right side
   79,865.43x = 5,080,324,501.35
5. Step 5: Solve for x
   x = 5,080,324,501.35/79,865.43
6. Step 6: Final answer
   x = 63,611.06