Finding the Fourth Proportional to 7,061.06, 10,644.66 and 6,585.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.06 : 10,644.66 = 6,585.42 : x
2. Step 2: Convert to fraction form
   7,061.06/10,644.66 = 6,585.42/x
3. Step 3: Cross multiply
   7,061.06x = 10,644.66 × 6,585.42
4. Step 4: Simplify right side
   7,061.06x = 70,099,556.86
5. Step 5: Solve for x
   x = 70,099,556.86/7,061.06
6. Step 6: Final answer
   x = 9,927.63