Finding the Fourth Proportional to 9,571.25, 13,205.84 and 5,590.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,571.25 : 13,205.84 = 5,590.10 : x
2. Step 2: Convert to fraction form
   9,571.25/13,205.84 = 5,590.10/x
3. Step 3: Cross multiply
   9,571.25x = 13,205.84 × 5,590.10
4. Step 4: Simplify right side
   9,571.25x = 73,821,971.25
5. Step 5: Solve for x
   x = 73,821,971.25/9,571.25
6. Step 6: Final answer
   x = 7,712.89