Finding the Fourth Proportional to 142,986, 214,493.58 and 49,491.48

Step by Step Solution

1. Step 1: Write the proportion equation
   142,986 : 214,493.58 = 49,491.48 : x
2. Step 2: Convert to fraction form
   142,986/214,493.58 = 49,491.48/x
3. Step 3: Cross multiply
   142,986x = 214,493.58 × 49,491.48
4. Step 4: Simplify right side
   142,986x = 10,615,604,724.70
5. Step 5: Solve for x
   x = 10,615,604,724.70/142,986
6. Step 6: Final answer
   x = 74,242.27