Finding the Fourth Proportional to 16,974.10, 23,427.07 and 9,900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,974.10 : 23,427.07 = 9,900.52 : x
2. Step 2: Convert to fraction form
   16,974.10/23,427.07 = 9,900.52/x
3. Step 3: Cross multiply
   16,974.10x = 23,427.07 × 9,900.52
4. Step 4: Simplify right side
   16,974.10x = 231,940,091.76
5. Step 5: Solve for x
   x = 231,940,091.76/16,974.10
6. Step 6: Final answer
   x = 13,664.35