Finding the Fourth Proportional to 142,727.31, 214,095.83 and 67,808.79

Step by Step Solution

1. Step 1: Write the proportion equation
   142,727.31 : 214,095.83 = 67,808.79 : x
2. Step 2: Convert to fraction form
   142,727.31/214,095.83 = 67,808.79/x
3. Step 3: Cross multiply
   142,727.31x = 214,095.83 × 67,808.79
4. Step 4: Simplify right side
   142,727.31x = 14,517,578,837.30
5. Step 5: Solve for x
   x = 14,517,578,837.30/142,727.31
6. Step 6: Final answer
   x = 101,715.49