Finding the Fourth Proportional to 142,708.17, 214,064.37 and 67,836.03

Step by Step Solution

1. Step 1: Write the proportion equation
   142,708.17 : 214,064.37 = 67,836.03 : x
2. Step 2: Convert to fraction form
   142,708.17/214,064.37 = 67,836.03/x
3. Step 3: Cross multiply
   142,708.17x = 214,064.37 × 67,836.03
4. Step 4: Simplify right side
   142,708.17x = 14,521,277,025.25
5. Step 5: Solve for x
   x = 14,521,277,025.25/142,708.17
6. Step 6: Final answer
   x = 101,755.05