Finding the Fourth Proportional to 9,167.72, 13,742.18 and 3,618.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.72 : 13,742.18 = 3,618.82 : x
2. Step 2: Convert to fraction form
   9,167.72/13,742.18 = 3,618.82/x
3. Step 3: Cross multiply
   9,167.72x = 13,742.18 × 3,618.82
4. Step 4: Simplify right side
   9,167.72x = 49,730,475.83
5. Step 5: Solve for x
   x = 49,730,475.83/9,167.72
6. Step 6: Final answer
   x = 5,424.52