Finding the Fourth Proportional to 55,165.56, 82,789.92 and 40,412.22

Step by Step Solution

1. Step 1: Write the proportion equation
   55,165.56 : 82,789.92 = 40,412.22 : x
2. Step 2: Convert to fraction form
   55,165.56/82,789.92 = 40,412.22/x
3. Step 3: Cross multiply
   55,165.56x = 82,789.92 × 40,412.22
4. Step 4: Simplify right side
   55,165.56x = 3,345,724,460.82
5. Step 5: Solve for x
   x = 3,345,724,460.82/55,165.56
6. Step 6: Final answer
   x = 60,648.79