Finding the Fourth Proportional to 11,103.60, 16,650.54 and 3,310.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,103.60 : 16,650.54 = 3,310.86 : x
2. Step 2: Convert to fraction form
   11,103.60/16,650.54 = 3,310.86/x
3. Step 3: Cross multiply
   11,103.60x = 16,650.54 × 3,310.86
4. Step 4: Simplify right side
   11,103.60x = 55,127,606.86
5. Step 5: Solve for x
   x = 55,127,606.86/11,103.60
6. Step 6: Final answer
   x = 4,964.84