Finding the Fourth Proportional to 12,933, 19,401.84 and 8,554.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,933 : 19,401.84 = 8,554.08 : x
2. Step 2: Convert to fraction form
   12,933/19,401.84 = 8,554.08/x
3. Step 3: Cross multiply
   12,933x = 19,401.84 × 8,554.08
4. Step 4: Simplify right side
   12,933x = 165,964,891.51
5. Step 5: Solve for x
   x = 165,964,891.51/12,933
6. Step 6: Final answer
   x = 12,832.67