Finding the Fourth Proportional to 52,897.20, 72,993.42 and 30,231.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,897.20 : 72,993.42 = 30,231.69 : x
2. Step 2: Convert to fraction form
   52,897.20/72,993.42 = 30,231.69/x
3. Step 3: Cross multiply
   52,897.20x = 72,993.42 × 30,231.69
4. Step 4: Simplify right side
   52,897.20x = 2,206,714,445.48
5. Step 5: Solve for x
   x = 2,206,714,445.48/52,897.20
6. Step 6: Final answer
   x = 41,717.04