Finding the Fourth Proportional to 51,243.69, 70,722.27 and 30,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,243.69 : 70,722.27 = 30,022.50 : x
2. Step 2: Convert to fraction form
   51,243.69/70,722.27 = 30,022.50/x
3. Step 3: Cross multiply
   51,243.69x = 70,722.27 × 30,022.50
4. Step 4: Simplify right side
   51,243.69x = 2,123,259,351.08
5. Step 5: Solve for x
   x = 2,123,259,351.08/51,243.69
6. Step 6: Final answer
   x = 41,434.55