Finding the Fourth Proportional to 11,581.78, 17,369 and 4,185.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.78 : 17,369 = 4,185.26 : x
2. Step 2: Convert to fraction form
   11,581.78/17,369 = 4,185.26/x
3. Step 3: Cross multiply
   11,581.78x = 17,369 × 4,185.26
4. Step 4: Simplify right side
   11,581.78x = 72,693,780.94
5. Step 5: Solve for x
   x = 72,693,780.94/11,581.78
6. Step 6: Final answer
   x = 6,276.56