Finding the Fourth Proportional to 11,002.84, 16,504.98 and 3,211

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.84 : 16,504.98 = 3,211 : x
2. Step 2: Convert to fraction form
   11,002.84/16,504.98 = 3,211/x
3. Step 3: Cross multiply
   11,002.84x = 16,504.98 × 3,211
4. Step 4: Simplify right side
   11,002.84x = 52,997,490.78
5. Step 5: Solve for x
   x = 52,997,490.78/11,002.84
6. Step 6: Final answer
   x = 4,816.71