Finding the Fourth Proportional to 9,851.40, 13,596.71 and 5,872.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.40 : 13,596.71 = 5,872.77 : x
2. Step 2: Convert to fraction form
   9,851.40/13,596.71 = 5,872.77/x
3. Step 3: Cross multiply
   9,851.40x = 13,596.71 × 5,872.77
4. Step 4: Simplify right side
   9,851.40x = 79,850,321.22
5. Step 5: Solve for x
   x = 79,850,321.22/9,851.40
6. Step 6: Final answer
   x = 8,105.48