Finding the Fourth Proportional to 79,443.42, 119,165.03 and 20,279.10

Step by Step Solution

1. Step 1: Write the proportion equation
   79,443.42 : 119,165.03 = 20,279.10 : x
2. Step 2: Convert to fraction form
   79,443.42/119,165.03 = 20,279.10/x
3. Step 3: Cross multiply
   79,443.42x = 119,165.03 × 20,279.10
4. Step 4: Simplify right side
   79,443.42x = 2,416,559,458.48
5. Step 5: Solve for x
   x = 2,416,559,458.48/79,443.42
6. Step 6: Final answer
   x = 30,418.62