Finding the Fourth Proportional to 11,003.40, 16,507.52 and 3,212.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.40 : 16,507.52 = 3,212.82 : x
2. Step 2: Convert to fraction form
   11,003.40/16,507.52 = 3,212.82/x
3. Step 3: Cross multiply
   11,003.40x = 16,507.52 × 3,212.82
4. Step 4: Simplify right side
   11,003.40x = 53,035,674.34
5. Step 5: Solve for x
   x = 53,035,674.34/11,003.40
6. Step 6: Final answer
   x = 4,819.94