Finding the Fourth Proportional to 142,332.69, 213,491.71 and 42,493.71

Step by Step Solution

1. Step 1: Write the proportion equation
   142,332.69 : 213,491.71 = 42,493.71 : x
2. Step 2: Convert to fraction form
   142,332.69/213,491.71 = 42,493.71/x
3. Step 3: Cross multiply
   142,332.69x = 213,491.71 × 42,493.71
4. Step 4: Simplify right side
   142,332.69x = 9,072,054,812.14
5. Step 5: Solve for x
   x = 9,072,054,812.14/142,332.69
6. Step 6: Final answer
   x = 63,738.38