Finding the Fourth Proportional to 19,551.39, 26,944.72 and 13,886.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,551.39 : 26,944.72 = 13,886.38 : x
2. Step 2: Convert to fraction form
   19,551.39/26,944.72 = 13,886.38/x
3. Step 3: Cross multiply
   19,551.39x = 26,944.72 × 13,886.38
4. Step 4: Simplify right side
   19,551.39x = 374,164,620.91
5. Step 5: Solve for x
   x = 374,164,620.91/19,551.39
6. Step 6: Final answer
   x = 19,137.49