Finding the Fourth Proportional to 142,689.55, 214,036.41 and 67,817.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,689.55 : 214,036.41 = 67,817.34 : x
2. Step 2: Convert to fraction form
   142,689.55/214,036.41 = 67,817.34/x
3. Step 3: Cross multiply
   142,689.55x = 214,036.41 × 67,817.34
4. Step 4: Simplify right side
   142,689.55x = 14,515,379,989.35
5. Step 5: Solve for x
   x = 14,515,379,989.35/142,689.55
6. Step 6: Final answer
   x = 101,727.00