Finding the Fourth Proportional to 11,086.52, 16,615.42 and 4,505

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.52 : 16,615.42 = 4,505 : x
2. Step 2: Convert to fraction form
   11,086.52/16,615.42 = 4,505/x
3. Step 3: Cross multiply
   11,086.52x = 16,615.42 × 4,505
4. Step 4: Simplify right side
   11,086.52x = 74,852,467.10
5. Step 5: Solve for x
   x = 74,852,467.10/11,086.52
6. Step 6: Final answer
   x = 6,751.66