Finding the Fourth Proportional to 142,469.24, 213,624.88 and 58,288.48

Step by Step Solution

1. Step 1: Write the proportion equation
   142,469.24 : 213,624.88 = 58,288.48 : x
2. Step 2: Convert to fraction form
   142,469.24/213,624.88 = 58,288.48/x
3. Step 3: Cross multiply
   142,469.24x = 213,624.88 × 58,288.48
4. Step 4: Simplify right side
   142,469.24x = 12,451,869,545.38
5. Step 5: Solve for x
   x = 12,451,869,545.38/142,469.24
6. Step 6: Final answer
   x = 87,400.41