Finding the Fourth Proportional to 53,222.09, 73,443.78 and 30,251.30

Step by Step Solution

1. Step 1: Write the proportion equation
   53,222.09 : 73,443.78 = 30,251.30 : x
2. Step 2: Convert to fraction form
   53,222.09/73,443.78 = 30,251.30/x
3. Step 3: Cross multiply
   53,222.09x = 73,443.78 × 30,251.30
4. Step 4: Simplify right side
   53,222.09x = 2,221,769,821.91
5. Step 5: Solve for x
   x = 2,221,769,821.91/53,222.09
6. Step 6: Final answer
   x = 41,745.26