Finding the Fourth Proportional to 16,601.51, 22,939.27 and 13,271.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,601.51 : 22,939.27 = 13,271.81 : x
2. Step 2: Convert to fraction form
   16,601.51/22,939.27 = 13,271.81/x
3. Step 3: Cross multiply
   16,601.51x = 22,939.27 × 13,271.81
4. Step 4: Simplify right side
   16,601.51x = 304,445,485.10
5. Step 5: Solve for x
   x = 304,445,485.10/16,601.51
6. Step 6: Final answer
   x = 18,338.42