Finding the Fourth Proportional to 11,080.24, 16,615.64 and 3,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080.24 : 16,615.64 = 3,682.72 : x
2. Step 2: Convert to fraction form
   11,080.24/16,615.64 = 3,682.72/x
3. Step 3: Cross multiply
   11,080.24x = 16,615.64 × 3,682.72
4. Step 4: Simplify right side
   11,080.24x = 61,190,749.74
5. Step 5: Solve for x
   x = 61,190,749.74/11,080.24
6. Step 6: Final answer
   x = 5,522.51