Finding the Fourth Proportional to 49,019.52, 73,540.80 and 13,959.68

Step by Step Solution

1. Step 1: Write the proportion equation
   49,019.52 : 73,540.80 = 13,959.68 : x
2. Step 2: Convert to fraction form
   49,019.52/73,540.80 = 13,959.68/x
3. Step 3: Cross multiply
   49,019.52x = 73,540.80 × 13,959.68
4. Step 4: Simplify right side
   49,019.52x = 1,026,606,034.94
5. Step 5: Solve for x
   x = 1,026,606,034.94/49,019.52
6. Step 6: Final answer
   x = 20,942.80