Finding the Fourth Proportional to 51,820.72, 71,524.54 and 30,320.48

Step by Step Solution

1. Step 1: Write the proportion equation
   51,820.72 : 71,524.54 = 30,320.48 : x
2. Step 2: Convert to fraction form
   51,820.72/71,524.54 = 30,320.48/x
3. Step 3: Cross multiply
   51,820.72x = 71,524.54 × 30,320.48
4. Step 4: Simplify right side
   51,820.72x = 2,168,658,384.58
5. Step 5: Solve for x
   x = 2,168,658,384.58/51,820.72
6. Step 6: Final answer
   x = 41,849.25