Finding the Fourth Proportional to 10,271.44, 14,174.48 and 5,555.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,271.44 : 14,174.48 = 5,555.72 : x
2. Step 2: Convert to fraction form
   10,271.44/14,174.48 = 5,555.72/x
3. Step 3: Cross multiply
   10,271.44x = 14,174.48 × 5,555.72
4. Step 4: Simplify right side
   10,271.44x = 78,749,442.03
5. Step 5: Solve for x
   x = 78,749,442.03/10,271.44
6. Step 6: Final answer
   x = 7,666.84