Finding the Fourth Proportional to 9,559.55, 14,339.31 and 6,271.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.55 : 14,339.31 = 6,271.86 : x
2. Step 2: Convert to fraction form
   9,559.55/14,339.31 = 6,271.86/x
3. Step 3: Cross multiply
   9,559.55x = 14,339.31 × 6,271.86
4. Step 4: Simplify right side
   9,559.55x = 89,934,144.82
5. Step 5: Solve for x
   x = 89,934,144.82/9,559.55
6. Step 6: Final answer
   x = 9,407.78