Finding the Fourth Proportional to 10,067.98, 13,893.83 and 5,591.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.98 : 13,893.83 = 5,591.61 : x
2. Step 2: Convert to fraction form
   10,067.98/13,893.83 = 5,591.61/x
3. Step 3: Cross multiply
   10,067.98x = 13,893.83 × 5,591.61
4. Step 4: Simplify right side
   10,067.98x = 77,688,911.59
5. Step 5: Solve for x
   x = 77,688,911.59/10,067.98
6. Step 6: Final answer
   x = 7,716.44