Finding the Fourth Proportional to 17,162.55, 23,695.74 and 13,176.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,162.55 : 23,695.74 = 13,176.54 : x
2. Step 2: Convert to fraction form
   17,162.55/23,695.74 = 13,176.54/x
3. Step 3: Cross multiply
   17,162.55x = 23,695.74 × 13,176.54
4. Step 4: Simplify right side
   17,162.55x = 312,227,865.94
5. Step 5: Solve for x
   x = 312,227,865.94/17,162.55
6. Step 6: Final answer
   x = 18,192.39