Finding the Fourth Proportional to 79,667.74, 119,500.80 and 20,503.18

Step by Step Solution

1. Step 1: Write the proportion equation
   79,667.74 : 119,500.80 = 20,503.18 : x
2. Step 2: Convert to fraction form
   79,667.74/119,500.80 = 20,503.18/x
3. Step 3: Cross multiply
   79,667.74x = 119,500.80 × 20,503.18
4. Step 4: Simplify right side
   79,667.74x = 2,450,146,412.54
5. Step 5: Solve for x
   x = 2,450,146,412.54/79,667.74
6. Step 6: Final answer
   x = 30,754.56