Finding the Fourth Proportional to 79,945.39, 119,909.55 and 42,465.67

Step by Step Solution

1. Step 1: Write the proportion equation
   79,945.39 : 119,909.55 = 42,465.67 : x
2. Step 2: Convert to fraction form
   79,945.39/119,909.55 = 42,465.67/x
3. Step 3: Cross multiply
   79,945.39x = 119,909.55 × 42,465.67
4. Step 4: Simplify right side
   79,945.39x = 5,092,039,380.15
5. Step 5: Solve for x
   x = 5,092,039,380.15/79,945.39
6. Step 6: Final answer
   x = 63,693.97