Finding the Fourth Proportional to 12,906.63, 17,804.59 and 8,433

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.63 : 17,804.59 = 8,433 : x
2. Step 2: Convert to fraction form
   12,906.63/17,804.59 = 8,433/x
3. Step 3: Cross multiply
   12,906.63x = 17,804.59 × 8,433
4. Step 4: Simplify right side
   12,906.63x = 150,146,107.47
5. Step 5: Solve for x
   x = 150,146,107.47/12,906.63
6. Step 6: Final answer
   x = 11,633.25