Finding the Fourth Proportional to 55,399.98, 76,451.67 and 30,249.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,399.98 : 76,451.67 = 30,249.30 : x
2. Step 2: Convert to fraction form
   55,399.98/76,451.67 = 30,249.30/x
3. Step 3: Cross multiply
   55,399.98x = 76,451.67 × 30,249.30
4. Step 4: Simplify right side
   55,399.98x = 2,312,609,501.33
5. Step 5: Solve for x
   x = 2,312,609,501.33/55,399.98
6. Step 6: Final answer
   x = 41,743.87