Finding the Fourth Proportional to 55,243.32, 82,790.82 and 30,245.64

Step by Step Solution

1. Step 1: Write the proportion equation
   55,243.32 : 82,790.82 = 30,245.64 : x
2. Step 2: Convert to fraction form
   55,243.32/82,790.82 = 30,245.64/x
3. Step 3: Cross multiply
   55,243.32x = 82,790.82 × 30,245.64
4. Step 4: Simplify right side
   55,243.32x = 2,504,061,337.02
5. Step 5: Solve for x
   x = 2,504,061,337.02/55,243.32
6. Step 6: Final answer
   x = 45,327.86