Finding the Fourth Proportional to 9,897.72, 14,850.91 and 8,582.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.72 : 14,850.91 = 8,582.79 : x
2. Step 2: Convert to fraction form
   9,897.72/14,850.91 = 8,582.79/x
3. Step 3: Cross multiply
   9,897.72x = 14,850.91 × 8,582.79
4. Step 4: Simplify right side
   9,897.72x = 127,462,241.84
5. Step 5: Solve for x
   x = 127,462,241.84/9,897.72
6. Step 6: Final answer
   x = 12,877.94