Finding the Fourth Proportional to 79,819.67, 119,674.14 and 42,406.01

Step by Step Solution

1. Step 1: Write the proportion equation
   79,819.67 : 119,674.14 = 42,406.01 : x
2. Step 2: Convert to fraction form
   79,819.67/119,674.14 = 42,406.01/x
3. Step 3: Cross multiply
   79,819.67x = 119,674.14 × 42,406.01
4. Step 4: Simplify right side
   79,819.67x = 5,074,902,179.21
5. Step 5: Solve for x
   x = 5,074,902,179.21/79,819.67
6. Step 6: Final answer
   x = 63,579.60