Finding the Fourth Proportional to 12,906.06, 17,800.59 and 8,933.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.06 : 17,800.59 = 8,933.82 : x
2. Step 2: Convert to fraction form
   12,906.06/17,800.59 = 8,933.82/x
3. Step 3: Cross multiply
   12,906.06x = 17,800.59 × 8,933.82
4. Step 4: Simplify right side
   12,906.06x = 159,027,266.95
5. Step 5: Solve for x
   x = 159,027,266.95/12,906.06
6. Step 6: Final answer
   x = 12,321.91