Finding the Fourth Proportional to 51,978.22, 71,729.82 and 28,104.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,978.22 : 71,729.82 = 28,104.82 : x
2. Step 2: Convert to fraction form
   51,978.22/71,729.82 = 28,104.82/x
3. Step 3: Cross multiply
   51,978.22x = 71,729.82 × 28,104.82
4. Step 4: Simplify right side
   51,978.22x = 2,015,953,679.73
5. Step 5: Solve for x
   x = 2,015,953,679.73/51,978.22
6. Step 6: Final answer
   x = 38,784.58