Finding the Fourth Proportional to 11,090.52, 16,636.69 and 3,491.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,090.52 : 16,636.69 = 3,491.30 : x
2. Step 2: Convert to fraction form
   11,090.52/16,636.69 = 3,491.30/x
3. Step 3: Cross multiply
   11,090.52x = 16,636.69 × 3,491.30
4. Step 4: Simplify right side
   11,090.52x = 58,083,721.75
5. Step 5: Solve for x
   x = 58,083,721.75/11,090.52
6. Step 6: Final answer
   x = 5,237.24