Finding the Fourth Proportional to 142,698.42, 214,049.75 and 67,826.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,698.42 : 214,049.75 = 67,826.27 : x
2. Step 2: Convert to fraction form
   142,698.42/214,049.75 = 67,826.27/x
3. Step 3: Cross multiply
   142,698.42x = 214,049.75 × 67,826.27
4. Step 4: Simplify right side
   142,698.42x = 14,518,194,727.55
5. Step 5: Solve for x
   x = 14,518,194,727.55/142,698.42
6. Step 6: Final answer
   x = 101,740.40