Finding the Fourth Proportional to 10,271.15, 14,174.16 and 5,555.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,271.15 : 14,174.16 = 5,555.44 : x
2. Step 2: Convert to fraction form
   10,271.15/14,174.16 = 5,555.44/x
3. Step 3: Cross multiply
   10,271.15x = 14,174.16 × 5,555.44
4. Step 4: Simplify right side
   10,271.15x = 78,743,612.59
5. Step 5: Solve for x
   x = 78,743,612.59/10,271.15
6. Step 6: Final answer
   x = 7,666.48