Finding the Fourth Proportional to 9,866.07, 14,817.94 and 5,714.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,866.07 : 14,817.94 = 5,714.42 : x
2. Step 2: Convert to fraction form
   9,866.07/14,817.94 = 5,714.42/x
3. Step 3: Cross multiply
   9,866.07x = 14,817.94 × 5,714.42
4. Step 4: Simplify right side
   9,866.07x = 84,675,844.32
5. Step 5: Solve for x
   x = 84,675,844.32/9,866.07
6. Step 6: Final answer
   x = 8,582.53