Finding the Fourth Proportional to 11,598.47, 17,399.06 and 3,698.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,598.47 : 17,399.06 = 3,698.23 : x
2. Step 2: Convert to fraction form
   11,598.47/17,399.06 = 3,698.23/x
3. Step 3: Cross multiply
   11,598.47x = 17,399.06 × 3,698.23
4. Step 4: Simplify right side
   11,598.47x = 64,345,725.66
5. Step 5: Solve for x
   x = 64,345,725.66/11,598.47
6. Step 6: Final answer
   x = 5,547.78