Finding the Fourth Proportional to 2,196.95, 3,290.97 and 1,025.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.95 : 3,290.97 = 1,025.33 : x
2. Step 2: Convert to fraction form
   2,196.95/3,290.97 = 1,025.33/x
3. Step 3: Cross multiply
   2,196.95x = 3,290.97 × 1,025.33
4. Step 4: Simplify right side
   2,196.95x = 3,374,317.66
5. Step 5: Solve for x
   x = 3,374,317.66/2,196.95
6. Step 6: Final answer
   x = 1,535.91