Finding the Fourth Proportional to 142,965.98, 214,309.56 and 68,066

Step by Step Solution

1. Step 1: Write the proportion equation
   142,965.98 : 214,309.56 = 68,066 : x
2. Step 2: Convert to fraction form
   142,965.98/214,309.56 = 68,066/x
3. Step 3: Cross multiply
   142,965.98x = 214,309.56 × 68,066
4. Step 4: Simplify right side
   142,965.98x = 14,587,194,510.96
5. Step 5: Solve for x
   x = 14,587,194,510.96/142,965.98
6. Step 6: Final answer
   x = 102,032.63