Finding the Fourth Proportional to 11,100.55, 16,636.38 and 4,519.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.55 : 16,636.38 = 4,519.03 : x
2. Step 2: Convert to fraction form
   11,100.55/16,636.38 = 4,519.03/x
3. Step 3: Cross multiply
   11,100.55x = 16,636.38 × 4,519.03
4. Step 4: Simplify right side
   11,100.55x = 75,180,300.31
5. Step 5: Solve for x
   x = 75,180,300.31/11,100.55
6. Step 6: Final answer
   x = 6,772.66