Finding the Fourth Proportional to 55,131.87, 76,081.89 and 33,621.58

Step by Step Solution

1. Step 1: Write the proportion equation
   55,131.87 : 76,081.89 = 33,621.58 : x
2. Step 2: Convert to fraction form
   55,131.87/76,081.89 = 33,621.58/x
3. Step 3: Cross multiply
   55,131.87x = 76,081.89 × 33,621.58
4. Step 4: Simplify right side
   55,131.87x = 2,557,993,351.19
5. Step 5: Solve for x
   x = 2,557,993,351.19/55,131.87
6. Step 6: Final answer
   x = 46,397.73