Finding the Fourth Proportional to 55,166.88, 76,128.96 and 30,016.80

Step by Step Solution

1. Step 1: Write the proportion equation
   55,166.88 : 76,128.96 = 30,016.80 : x
2. Step 2: Convert to fraction form
   55,166.88/76,128.96 = 30,016.80/x
3. Step 3: Cross multiply
   55,166.88x = 76,128.96 × 30,016.80
4. Step 4: Simplify right side
   55,166.88x = 2,285,147,766.53
5. Step 5: Solve for x
   x = 2,285,147,766.53/55,166.88
6. Step 6: Final answer
   x = 41,422.46