Finding the Fourth Proportional to 58,608.59, 80,879.76 and 31,751.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,608.59 : 80,879.76 = 31,751.78 : x
2. Step 2: Convert to fraction form
   58,608.59/80,879.76 = 31,751.78/x
3. Step 3: Cross multiply
   58,608.59x = 80,879.76 × 31,751.78
4. Step 4: Simplify right side
   58,608.59x = 2,568,076,548.17
5. Step 5: Solve for x
   x = 2,568,076,548.17/58,608.59
6. Step 6: Final answer
   x = 43,817.41