Finding the Fourth Proportional to 58,635.15, 80,916.30 and 31,778.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,635.15 : 80,916.30 = 31,778.31 : x
2. Step 2: Convert to fraction form
   58,635.15/80,916.30 = 31,778.31/x
3. Step 3: Cross multiply
   58,635.15x = 80,916.30 × 31,778.31
4. Step 4: Simplify right side
   58,635.15x = 2,571,383,265.45
5. Step 5: Solve for x
   x = 2,571,383,265.45/58,635.15
6. Step 6: Final answer
   x = 43,853.96