Finding the Fourth Proportional to 9,997.88, 13,801.74 and 5,805.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.88 : 13,801.74 = 5,805.32 : x
2. Step 2: Convert to fraction form
   9,997.88/13,801.74 = 5,805.32/x
3. Step 3: Cross multiply
   9,997.88x = 13,801.74 × 5,805.32
4. Step 4: Simplify right side
   9,997.88x = 80,123,517.26
5. Step 5: Solve for x
   x = 80,123,517.26/9,997.88
6. Step 6: Final answer
   x = 8,014.05