Finding the Fourth Proportional to 55,141.05, 82,578.35 and 31,376.60

Step by Step Solution

1. Step 1: Write the proportion equation
   55,141.05 : 82,578.35 = 31,376.60 : x
2. Step 2: Convert to fraction form
   55,141.05/82,578.35 = 31,376.60/x
3. Step 3: Cross multiply
   55,141.05x = 82,578.35 × 31,376.60
4. Step 4: Simplify right side
   55,141.05x = 2,591,027,831.83
5. Step 5: Solve for x
   x = 2,591,027,831.83/55,141.05
6. Step 6: Final answer
   x = 46,989.09