Finding the Fourth Proportional to 16,700.22, 23,045.96 and 9,146.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700.22 : 23,045.96 = 9,146.18 : x
2. Step 2: Convert to fraction form
   16,700.22/23,045.96 = 9,146.18/x
3. Step 3: Cross multiply
   16,700.22x = 23,045.96 × 9,146.18
4. Step 4: Simplify right side
   16,700.22x = 210,782,337.47
5. Step 5: Solve for x
   x = 210,782,337.47/16,700.22
6. Step 6: Final answer
   x = 12,621.53