Finding the Fourth Proportional to 10,586.24, 15,886.56 and 6,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,586.24 : 15,886.56 = 6,686.72 : x
2. Step 2: Convert to fraction form
   10,586.24/15,886.56 = 6,686.72/x
3. Step 3: Cross multiply
   10,586.24x = 15,886.56 × 6,686.72
4. Step 4: Simplify right side
   10,586.24x = 106,228,978.48
5. Step 5: Solve for x
   x = 106,228,978.48/10,586.24
6. Step 6: Final answer
   x = 10,034.63