Finding the Fourth Proportional to 79,162.80, 109,244.84 and 42,864.29

Step by Step Solution

1. Step 1: Write the proportion equation
   79,162.80 : 109,244.84 = 42,864.29 : x
2. Step 2: Convert to fraction form
   79,162.80/109,244.84 = 42,864.29/x
3. Step 3: Cross multiply
   79,162.80x = 109,244.84 × 42,864.29
4. Step 4: Simplify right side
   79,162.80x = 4,682,701,742.22
5. Step 5: Solve for x
   x = 4,682,701,742.22/79,162.80
6. Step 6: Final answer
   x = 59,152.81