Finding the Fourth Proportional to 2,131.36, 3,195.42 and 1,436.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.36 : 3,195.42 = 1,436.07 : x
2. Step 2: Convert to fraction form
   2,131.36/3,195.42 = 1,436.07/x
3. Step 3: Cross multiply
   2,131.36x = 3,195.42 × 1,436.07
4. Step 4: Simplify right side
   2,131.36x = 4,588,846.80
5. Step 5: Solve for x
   x = 4,588,846.80/2,131.36
6. Step 6: Final answer
   x = 2,153.01