Finding the Fourth Proportional to 6,291.33, 9,436.25 and 2,131.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,291.33 : 9,436.25 = 2,131.33 : x
2. Step 2: Convert to fraction form
   6,291.33/9,436.25 = 2,131.33/x
3. Step 3: Cross multiply
   6,291.33x = 9,436.25 × 2,131.33
4. Step 4: Simplify right side
   6,291.33x = 20,111,762.71
5. Step 5: Solve for x
   x = 20,111,762.71/6,291.33
6. Step 6: Final answer
   x = 3,196.74