Finding the Fourth Proportional to 79,868.43, 119,700.87 and 42,446.43

Step by Step Solution

1. Step 1: Write the proportion equation
   79,868.43 : 119,700.87 = 42,446.43 : x
2. Step 2: Convert to fraction form
   79,868.43/119,700.87 = 42,446.43/x
3. Step 3: Cross multiply
   79,868.43x = 119,700.87 × 42,446.43
4. Step 4: Simplify right side
   79,868.43x = 5,080,874,599.39
5. Step 5: Solve for x
   x = 5,080,874,599.39/79,868.43
6. Step 6: Final answer
   x = 63,615.56