Finding the Fourth Proportional to 79,978.12, 119,967.12 and 23,819.02

Step by Step Solution

1. Step 1: Write the proportion equation
   79,978.12 : 119,967.12 = 23,819.02 : x
2. Step 2: Convert to fraction form
   79,978.12/119,967.12 = 23,819.02/x
3. Step 3: Cross multiply
   79,978.12x = 119,967.12 × 23,819.02
4. Step 4: Simplify right side
   79,978.12x = 2,857,499,230.62
5. Step 5: Solve for x
   x = 2,857,499,230.62/79,978.12
6. Step 6: Final answer
   x = 35,728.51