Finding the Fourth Proportional to 79,857.50, 119,869.29 and 58,821.27

Step by Step Solution

1. Step 1: Write the proportion equation
   79,857.50 : 119,869.29 = 58,821.27 : x
2. Step 2: Convert to fraction form
   79,857.50/119,869.29 = 58,821.27/x
3. Step 3: Cross multiply
   79,857.50x = 119,869.29 × 58,821.27
4. Step 4: Simplify right side
   79,857.50x = 7,050,863,871.80
5. Step 5: Solve for x
   x = 7,050,863,871.80/79,857.50
6. Step 6: Final answer
   x = 88,293.08