Finding the Fourth Proportional to 17,404.75, 26,111.58 and 5,718.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,404.75 : 26,111.58 = 5,718.07 : x
2. Step 2: Convert to fraction form
   17,404.75/26,111.58 = 5,718.07/x
3. Step 3: Cross multiply
   17,404.75x = 26,111.58 × 5,718.07
4. Step 4: Simplify right side
   17,404.75x = 149,307,842.25
5. Step 5: Solve for x
   x = 149,307,842.25/17,404.75
6. Step 6: Final answer
   x = 8,578.57