Finding the Fourth Proportional to 49,242.72, 67,965.84 and 30,126.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,242.72 : 67,965.84 = 30,126.72 : x
2. Step 2: Convert to fraction form
   49,242.72/67,965.84 = 30,126.72/x
3. Step 3: Cross multiply
   49,242.72x = 67,965.84 × 30,126.72
4. Step 4: Simplify right side
   49,242.72x = 2,047,587,831.24
5. Step 5: Solve for x
   x = 2,047,587,831.24/49,242.72
6. Step 6: Final answer
   x = 41,581.53