Finding the Fourth Proportional to 10,067.07, 13,891.90 and 5,590.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.07 : 13,891.90 = 5,590.82 : x
2. Step 2: Convert to fraction form
   10,067.07/13,891.90 = 5,590.82/x
3. Step 3: Cross multiply
   10,067.07x = 13,891.90 × 5,590.82
4. Step 4: Simplify right side
   10,067.07x = 77,667,112.36
5. Step 5: Solve for x
   x = 77,667,112.36/10,067.07
6. Step 6: Final answer
   x = 7,714.97