Finding the Fourth Proportional to 79,847.27, 119,850.13 and 42,407.65

Step by Step Solution

1. Step 1: Write the proportion equation
   79,847.27 : 119,850.13 = 42,407.65 : x
2. Step 2: Convert to fraction form
   79,847.27/119,850.13 = 42,407.65/x
3. Step 3: Cross multiply
   79,847.27x = 119,850.13 × 42,407.65
4. Step 4: Simplify right side
   79,847.27x = 5,082,562,568.32
5. Step 5: Solve for x
   x = 5,082,562,568.32/79,847.27
6. Step 6: Final answer
   x = 63,653.56