Finding the Fourth Proportional to 11,101.60, 16,647.54 and 3,308.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,101.60 : 16,647.54 = 3,308.86 : x
2. Step 2: Convert to fraction form
   11,101.60/16,647.54 = 3,308.86/x
3. Step 3: Cross multiply
   11,101.60x = 16,647.54 × 3,308.86
4. Step 4: Simplify right side
   11,101.60x = 55,084,379.20
5. Step 5: Solve for x
   x = 55,084,379.20/11,101.60
6. Step 6: Final answer
   x = 4,961.84