Finding the Fourth Proportional to 55,131.68, 76,082.50 and 41,309.54

Step by Step Solution

1. Step 1: Write the proportion equation
   55,131.68 : 76,082.50 = 41,309.54 : x
2. Step 2: Convert to fraction form
   55,131.68/76,082.50 = 41,309.54/x
3. Step 3: Cross multiply
   55,131.68x = 76,082.50 × 41,309.54
4. Step 4: Simplify right side
   55,131.68x = 3,142,933,077.05
5. Step 5: Solve for x
   x = 3,142,933,077.05/55,131.68
6. Step 6: Final answer
   x = 57,007.75