Finding the Fourth Proportional to 52,231.52, 72,072.24 and 30,722.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,231.52 : 72,072.24 = 30,722.24 : x
2. Step 2: Convert to fraction form
   52,231.52/72,072.24 = 30,722.24/x
3. Step 3: Cross multiply
   52,231.52x = 72,072.24 × 30,722.24
4. Step 4: Simplify right side
   52,231.52x = 2,214,220,654.62
5. Step 5: Solve for x
   x = 2,214,220,654.62/52,231.52
6. Step 6: Final answer
   x = 42,392.42