Finding the Fourth Proportional to 55,131.23, 76,081.88 and 41,309.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,131.23 : 76,081.88 = 41,309.09 : x
2. Step 2: Convert to fraction form
   55,131.23/76,081.88 = 41,309.09/x
3. Step 3: Cross multiply
   55,131.23x = 76,081.88 × 41,309.09
4. Step 4: Simplify right side
   55,131.23x = 3,142,873,236.46
5. Step 5: Solve for x
   x = 3,142,873,236.46/55,131.23
6. Step 6: Final answer
   x = 57,007.13