Finding the Fourth Proportional to 9,860.17, 13,606.45 and 5,668.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.17 : 13,606.45 = 5,668.42 : x
2. Step 2: Convert to fraction form
   9,860.17/13,606.45 = 5,668.42/x
3. Step 3: Cross multiply
   9,860.17x = 13,606.45 × 5,668.42
4. Step 4: Simplify right side
   9,860.17x = 77,127,073.31
5. Step 5: Solve for x
   x = 77,127,073.31/9,860.17
6. Step 6: Final answer
   x = 7,822.08