Finding the Fourth Proportional to 16,651.47, 22,956.51 and 13,070.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.47 : 22,956.51 = 13,070.25 : x
2. Step 2: Convert to fraction form
   16,651.47/22,956.51 = 13,070.25/x
3. Step 3: Cross multiply
   16,651.47x = 22,956.51 × 13,070.25
4. Step 4: Simplify right side
   16,651.47x = 300,047,324.83
5. Step 5: Solve for x
   x = 300,047,324.83/16,651.47
6. Step 6: Final answer
   x = 18,019.27