Finding the Fourth Proportional to 11,726.28, 17,585.16 and 3,404.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726.28 : 17,585.16 = 3,404.04 : x
2. Step 2: Convert to fraction form
   11,726.28/17,585.16 = 3,404.04/x
3. Step 3: Cross multiply
   11,726.28x = 17,585.16 × 3,404.04
4. Step 4: Simplify right side
   11,726.28x = 59,860,588.05
5. Step 5: Solve for x
   x = 59,860,588.05/11,726.28
6. Step 6: Final answer
   x = 5,104.82