Finding the Fourth Proportional to 58,218.38, 80,341.37 and 31,722.38

Step by Step Solution

1. Step 1: Write the proportion equation
   58,218.38 : 80,341.37 = 31,722.38 : x
2. Step 2: Convert to fraction form
   58,218.38/80,341.37 = 31,722.38/x
3. Step 3: Cross multiply
   58,218.38x = 80,341.37 × 31,722.38
4. Step 4: Simplify right side
   58,218.38x = 2,548,618,908.54
5. Step 5: Solve for x
   x = 2,548,618,908.54/58,218.38
6. Step 6: Final answer
   x = 43,776.88