Finding the Fourth Proportional to 55,566.82, 76,681.59 and 30,072.61

Step by Step Solution

1. Step 1: Write the proportion equation
   55,566.82 : 76,681.59 = 30,072.61 : x
2. Step 2: Convert to fraction form
   55,566.82/76,681.59 = 30,072.61/x
3. Step 3: Cross multiply
   55,566.82x = 76,681.59 × 30,072.61
4. Step 4: Simplify right side
   55,566.82x = 2,306,015,550.25
5. Step 5: Solve for x
   x = 2,306,015,550.25/55,566.82
6. Step 6: Final answer
   x = 41,499.87