Finding the Fourth Proportional to 55,634.56, 76,778.56 and 30,482.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,634.56 : 76,778.56 = 30,482.56 : x
2. Step 2: Convert to fraction form
   55,634.56/76,778.56 = 30,482.56/x
3. Step 3: Cross multiply
   55,634.56x = 76,778.56 × 30,482.56
4. Step 4: Simplify right side
   55,634.56x = 2,340,407,061.91
5. Step 5: Solve for x
   x = 2,340,407,061.91/55,634.56
6. Step 6: Final answer
   x = 42,067.50