Finding the Fourth Proportional to 2,131.32, 3,198.60 and 1,036.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.32 : 3,198.60 = 1,036.32 : x
2. Step 2: Convert to fraction form
   2,131.32/3,198.60 = 1,036.32/x
3. Step 3: Cross multiply
   2,131.32x = 3,198.60 × 1,036.32
4. Step 4: Simplify right side
   2,131.32x = 3,314,773.15
5. Step 5: Solve for x
   x = 3,314,773.15/2,131.32
6. Step 6: Final answer
   x = 1,555.27