Finding the Fourth Proportional to 10,271.60, 14,174.77 and 5,555.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,271.60 : 14,174.77 = 5,555.89 : x
2. Step 2: Convert to fraction form
   10,271.60/14,174.77 = 5,555.89/x
3. Step 3: Cross multiply
   10,271.60x = 14,174.77 × 5,555.89
4. Step 4: Simplify right side
   10,271.60x = 78,753,392.02
5. Step 5: Solve for x
   x = 78,753,392.02/10,271.60
6. Step 6: Final answer
   x = 7,667.10