Finding the Fourth Proportional to 55,429.89, 76,480.20 and 41,122.77

Step by Step Solution

1. Step 1: Write the proportion equation
   55,429.89 : 76,480.20 = 41,122.77 : x
2. Step 2: Convert to fraction form
   55,429.89/76,480.20 = 41,122.77/x
3. Step 3: Cross multiply
   55,429.89x = 76,480.20 × 41,122.77
4. Step 4: Simplify right side
   55,429.89x = 3,145,077,674.15
5. Step 5: Solve for x
   x = 3,145,077,674.15/55,429.89
6. Step 6: Final answer
   x = 56,739.74