Finding the Fourth Proportional to 142,984.50, 214,491.33 and 49,489.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,984.50 : 214,491.33 = 49,489.98 : x
2. Step 2: Convert to fraction form
   142,984.50/214,491.33 = 49,489.98/x
3. Step 3: Cross multiply
   142,984.50x = 214,491.33 × 49,489.98
4. Step 4: Simplify right side
   142,984.50x = 10,615,171,631.87
5. Step 5: Solve for x
   x = 10,615,171,631.87/142,984.50
6. Step 6: Final answer
   x = 74,240.02