Finding the Fourth Proportional to 142,401.29, 213,558.19 and 67,499.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,401.29 : 213,558.19 = 67,499.27 : x
2. Step 2: Convert to fraction form
   142,401.29/213,558.19 = 67,499.27/x
3. Step 3: Cross multiply
   142,401.29x = 213,558.19 × 67,499.27
4. Step 4: Simplify right side
   142,401.29x = 14,415,022,461.42
5. Step 5: Solve for x
   x = 14,415,022,461.42/142,401.29
6. Step 6: Final answer
   x = 101,228.18