Finding the Fourth Proportional to 11,002.84, 16,505.42 and 3,211.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.84 : 16,505.42 = 3,211.67 : x
2. Step 2: Convert to fraction form
   11,002.84/16,505.42 = 3,211.67/x
3. Step 3: Cross multiply
   11,002.84x = 16,505.42 × 3,211.67
4. Step 4: Simplify right side
   11,002.84x = 53,009,987.46
5. Step 5: Solve for x
   x = 53,009,987.46/11,002.84
6. Step 6: Final answer
   x = 4,817.85