Finding the Fourth Proportional to 16,810.52, 23,198.31 and 9,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810.52 : 23,198.31 = 9,256.69 : x
2. Step 2: Convert to fraction form
   16,810.52/23,198.31 = 9,256.69/x
3. Step 3: Cross multiply
   16,810.52x = 23,198.31 × 9,256.69
4. Step 4: Simplify right side
   16,810.52x = 214,739,564.19
5. Step 5: Solve for x
   x = 214,739,564.19/16,810.52
6. Step 6: Final answer
   x = 12,774.12