Finding the Fourth Proportional to 11,702.01, 17,549.37 and 3,909

Step by Step Solution

1. Step 1: Write the proportion equation
   11,702.01 : 17,549.37 = 3,909 : x
2. Step 2: Convert to fraction form
   11,702.01/17,549.37 = 3,909/x
3. Step 3: Cross multiply
   11,702.01x = 17,549.37 × 3,909
4. Step 4: Simplify right side
   11,702.01x = 68,600,487.33
5. Step 5: Solve for x
   x = 68,600,487.33/11,702.01
6. Step 6: Final answer
   x = 5,862.28