Finding the Fourth Proportional to 13,949.39, 19,253.61 and 7,984.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.39 : 19,253.61 = 7,984.46 : x
2. Step 2: Convert to fraction form
   13,949.39/19,253.61 = 7,984.46/x
3. Step 3: Cross multiply
   13,949.39x = 19,253.61 × 7,984.46
4. Step 4: Simplify right side
   13,949.39x = 153,729,582.63
5. Step 5: Solve for x
   x = 153,729,582.63/13,949.39
6. Step 6: Final answer
   x = 11,020.53