Finding the Fourth Proportional to 9,164.72, 13,748.79 and 4,167.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.72 : 13,748.79 = 4,167.45 : x
2. Step 2: Convert to fraction form
   9,164.72/13,748.79 = 4,167.45/x
3. Step 3: Cross multiply
   9,164.72x = 13,748.79 × 4,167.45
4. Step 4: Simplify right side
   9,164.72x = 57,297,394.89
5. Step 5: Solve for x
   x = 57,297,394.89/9,164.72
6. Step 6: Final answer
   x = 6,251.96