Finding the Fourth Proportional to 49,512.98, 68,326.72 and 28,290.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,512.98 : 68,326.72 = 28,290.88 : x
2. Step 2: Convert to fraction form
   49,512.98/68,326.72 = 28,290.88/x
3. Step 3: Cross multiply
   49,512.98x = 68,326.72 × 28,290.88
4. Step 4: Simplify right side
   49,512.98x = 1,933,023,036.31
5. Step 5: Solve for x
   x = 1,933,023,036.31/49,512.98
6. Step 6: Final answer
   x = 39,040.73