Finding the Fourth Proportional to 51,821.48, 71,510.64 and 30,593

Step by Step Solution

1. Step 1: Write the proportion equation
   51,821.48 : 71,510.64 = 30,593 : x
2. Step 2: Convert to fraction form
   51,821.48/71,510.64 = 30,593/x
3. Step 3: Cross multiply
   51,821.48x = 71,510.64 × 30,593
4. Step 4: Simplify right side
   51,821.48x = 2,187,725,009.52
5. Step 5: Solve for x
   x = 2,187,725,009.52/51,821.48
6. Step 6: Final answer
   x = 42,216.57