Finding the Fourth Proportional to 58,636.16, 80,916.98 and 31,778.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,636.16 : 80,916.98 = 31,778.42 : x
2. Step 2: Convert to fraction form
   58,636.16/80,916.98 = 31,778.42/x
3. Step 3: Cross multiply
   58,636.16x = 80,916.98 × 31,778.42
4. Step 4: Simplify right side
   58,636.16x = 2,571,413,775.57
5. Step 5: Solve for x
   x = 2,571,413,775.57/58,636.16
6. Step 6: Final answer
   x = 43,853.72