Finding the Fourth Proportional to 79,162.85, 109,244.90 and 42,864.69

Step by Step Solution

1. Step 1: Write the proportion equation
   79,162.85 : 109,244.90 = 42,864.69 : x
2. Step 2: Convert to fraction form
   79,162.85/109,244.90 = 42,864.69/x
3. Step 3: Cross multiply
   79,162.85x = 109,244.90 × 42,864.69
4. Step 4: Simplify right side
   79,162.85x = 4,682,749,289.41
5. Step 5: Solve for x
   x = 4,682,749,289.41/79,162.85
6. Step 6: Final answer
   x = 59,153.37