Finding the Fourth Proportional to 80,039.42, 110,456.76 and 47,792.96

Step by Step Solution

1. Step 1: Write the proportion equation
   80,039.42 : 110,456.76 = 47,792.96 : x
2. Step 2: Convert to fraction form
   80,039.42/110,456.76 = 47,792.96/x
3. Step 3: Cross multiply
   80,039.42x = 110,456.76 × 47,792.96
4. Step 4: Simplify right side
   80,039.42x = 5,279,055,512.41
5. Step 5: Solve for x
   x = 5,279,055,512.41/80,039.42
6. Step 6: Final answer
   x = 65,955.69