Finding the Fourth Proportional to 11,700.73, 17,554.17 and 4,205.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,700.73 : 17,554.17 = 4,205.05 : x
2. Step 2: Convert to fraction form
   11,700.73/17,554.17 = 4,205.05/x
3. Step 3: Cross multiply
   11,700.73x = 17,554.17 × 4,205.05
4. Step 4: Simplify right side
   11,700.73x = 73,816,162.56
5. Step 5: Solve for x
   x = 73,816,162.56/11,700.73
6. Step 6: Final answer
   x = 6,308.68