Finding the Fourth Proportional to 17,716.25, 26,572.74 and 5,404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,716.25 : 26,572.74 = 5,404.25 : x
2. Step 2: Convert to fraction form
   17,716.25/26,572.74 = 5,404.25/x
3. Step 3: Cross multiply
   17,716.25x = 26,572.74 × 5,404.25
4. Step 4: Simplify right side
   17,716.25x = 143,605,730.15
5. Step 5: Solve for x
   x = 143,605,730.15/17,716.25
6. Step 6: Final answer
   x = 8,105.88