Finding the Fourth Proportional to 142,703.69, 214,057.62 and 67,831.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,703.69 : 214,057.62 = 67,831.52 : x
2. Step 2: Convert to fraction form
   142,703.69/214,057.62 = 67,831.52/x
3. Step 3: Cross multiply
   142,703.69x = 214,057.62 × 67,831.52
4. Step 4: Simplify right side
   142,703.69x = 14,519,852,661.89
5. Step 5: Solve for x
   x = 14,519,852,661.89/142,703.69
6. Step 6: Final answer
   x = 101,748.27