Finding the Fourth Proportional to 142,762.72, 214,178.12 and 49,269.28

Step by Step Solution

1. Step 1: Write the proportion equation
   142,762.72 : 214,178.12 = 49,269.28 : x
2. Step 2: Convert to fraction form
   142,762.72/214,178.12 = 49,269.28/x
3. Step 3: Cross multiply
   142,762.72x = 214,178.12 × 49,269.28
4. Step 4: Simplify right side
   142,762.72x = 10,552,401,764.15
5. Step 5: Solve for x
   x = 10,552,401,764.15/142,762.72
6. Step 6: Final answer
   x = 73,915.67