Finding the Fourth Proportional to 52,203.69, 72,039.78 and 30,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,203.69 : 72,039.78 = 30,982.50 : x
2. Step 2: Convert to fraction form
   52,203.69/72,039.78 = 30,982.50/x
3. Step 3: Cross multiply
   52,203.69x = 72,039.78 × 30,982.50
4. Step 4: Simplify right side
   52,203.69x = 2,231,972,483.85
5. Step 5: Solve for x
   x = 2,231,972,483.85/52,203.69
6. Step 6: Final answer
   x = 42,755.07