Finding the Fourth Proportional to 11,665.09, 17,504.93 and 4,739.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.09 : 17,504.93 = 4,739.59 : x
2. Step 2: Convert to fraction form
   11,665.09/17,504.93 = 4,739.59/x
3. Step 3: Cross multiply
   11,665.09x = 17,504.93 × 4,739.59
4. Step 4: Simplify right side
   11,665.09x = 82,966,167.48
5. Step 5: Solve for x
   x = 82,966,167.48/11,665.09
6. Step 6: Final answer
   x = 7,112.35