Finding the Fourth Proportional to 11,559.12, 17,336.88 and 3,766.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,559.12 : 17,336.88 = 3,766.20 : x
2. Step 2: Convert to fraction form
   11,559.12/17,336.88 = 3,766.20/x
3. Step 3: Cross multiply
   11,559.12x = 17,336.88 × 3,766.20
4. Step 4: Simplify right side
   11,559.12x = 65,294,157.46
5. Step 5: Solve for x
   x = 65,294,157.46/11,559.12
6. Step 6: Final answer
   x = 5,648.71