Finding the Fourth Proportional to 9,997.97, 13,792.61 and 5,805.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.97 : 13,792.61 = 5,805.41 : x
2. Step 2: Convert to fraction form
   9,997.97/13,792.61 = 5,805.41/x
3. Step 3: Cross multiply
   9,997.97x = 13,792.61 × 5,805.41
4. Step 4: Simplify right side
   9,997.97x = 80,071,701.57
5. Step 5: Solve for x
   x = 80,071,701.57/9,997.97
6. Step 6: Final answer
   x = 8,008.80