Finding the Fourth Proportional to 11,389.91, 17,084.77 and 3,598.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,389.91 : 17,084.77 = 3,598.73 : x
2. Step 2: Convert to fraction form
   11,389.91/17,084.77 = 3,598.73/x
3. Step 3: Cross multiply
   11,389.91x = 17,084.77 × 3,598.73
4. Step 4: Simplify right side
   11,389.91x = 61,483,370.92
5. Step 5: Solve for x
   x = 61,483,370.92/11,389.91
6. Step 6: Final answer
   x = 5,398.06