Finding the Fourth Proportional to 142,615.84, 213,920.88 and 49,119.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,615.84 : 213,920.88 = 49,119.52 : x
2. Step 2: Convert to fraction form
   142,615.84/213,920.88 = 49,119.52/x
3. Step 3: Cross multiply
   142,615.84x = 213,920.88 × 49,119.52
4. Step 4: Simplify right side
   142,615.84x = 10,507,690,943.58
5. Step 5: Solve for x
   x = 10,507,690,943.58/142,615.84
6. Step 6: Final answer
   x = 73,678.29