Finding the Fourth Proportional to 9,171.50, 13,761.35 and 4,238.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.50 : 13,761.35 = 4,238.49 : x
2. Step 2: Convert to fraction form
   9,171.50/13,761.35 = 4,238.49/x
3. Step 3: Cross multiply
   9,171.50x = 13,761.35 × 4,238.49
4. Step 4: Simplify right side
   9,171.50x = 58,327,323.17
5. Step 5: Solve for x
   x = 58,327,323.17/9,171.50
6. Step 6: Final answer
   x = 6,359.63