Finding the Fourth Proportional to 51,996.98, 71,755.76 and 28,123.61

Step by Step Solution

1. Step 1: Write the proportion equation
   51,996.98 : 71,755.76 = 28,123.61 : x
2. Step 2: Convert to fraction form
   51,996.98/71,755.76 = 28,123.61/x
3. Step 3: Cross multiply
   51,996.98x = 71,755.76 × 28,123.61
4. Step 4: Simplify right side
   51,996.98x = 2,018,030,721.02
5. Step 5: Solve for x
   x = 2,018,030,721.02/51,996.98
6. Step 6: Final answer
   x = 38,810.54