Finding the Fourth Proportional to 56,033.28, 77,324.82 and 30,882.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,033.28 : 77,324.82 = 30,882.78 : x
2. Step 2: Convert to fraction form
   56,033.28/77,324.82 = 30,882.78/x
3. Step 3: Cross multiply
   56,033.28x = 77,324.82 × 30,882.78
4. Step 4: Simplify right side
   56,033.28x = 2,388,005,404.60
5. Step 5: Solve for x
   x = 2,388,005,404.60/56,033.28
6. Step 6: Final answer
   x = 42,617.63