Finding the Fourth Proportional to 55,566.23, 76,680.78 and 30,072.05

Step by Step Solution

1. Step 1: Write the proportion equation
   55,566.23 : 76,680.78 = 30,072.05 : x
2. Step 2: Convert to fraction form
   55,566.23/76,680.78 = 30,072.05/x
3. Step 3: Cross multiply
   55,566.23x = 76,680.78 × 30,072.05
4. Step 4: Simplify right side
   55,566.23x = 2,305,947,866.80
5. Step 5: Solve for x
   x = 2,305,947,866.80/55,566.23
6. Step 6: Final answer
   x = 41,499.09