Finding the Fourth Proportional to 142,554.72, 213,879.54 and 47,794.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,554.72 : 213,879.54 = 47,794.24 : x
2. Step 2: Convert to fraction form
   142,554.72/213,879.54 = 47,794.24/x
3. Step 3: Cross multiply
   142,554.72x = 213,879.54 × 47,794.24
4. Step 4: Simplify right side
   142,554.72x = 10,222,210,065.85
5. Step 5: Solve for x
   x = 10,222,210,065.85/142,554.72
6. Step 6: Final answer
   x = 71,707.27