Finding the Fourth Proportional to 16,704.07, 23,051.33 and 9,150.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,704.07 : 23,051.33 = 9,150.55 : x
2. Step 2: Convert to fraction form
   16,704.07/23,051.33 = 9,150.55/x
3. Step 3: Cross multiply
   16,704.07x = 23,051.33 × 9,150.55
4. Step 4: Simplify right side
   16,704.07x = 210,932,301.98
5. Step 5: Solve for x
   x = 210,932,301.98/16,704.07
6. Step 6: Final answer
   x = 12,627.60