Finding the Fourth Proportional to 9,992.84, 13,790.88 and 5,801.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.84 : 13,790.88 = 5,801.09 : x
2. Step 2: Convert to fraction form
   9,992.84/13,790.88 = 5,801.09/x
3. Step 3: Cross multiply
   9,992.84x = 13,790.88 × 5,801.09
4. Step 4: Simplify right side
   9,992.84x = 80,002,067.10
5. Step 5: Solve for x
   x = 80,002,067.10/9,992.84
6. Step 6: Final answer
   x = 8,005.94