Finding the Fourth Proportional to 2,136.32, 2,943.46 and 1,436.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.32 : 2,943.46 = 1,436.48 : x
2. Step 2: Convert to fraction form
   2,136.32/2,943.46 = 1,436.48/x
3. Step 3: Cross multiply
   2,136.32x = 2,943.46 × 1,436.48
4. Step 4: Simplify right side
   2,136.32x = 4,228,221.42
5. Step 5: Solve for x
   x = 4,228,221.42/2,136.32
6. Step 6: Final answer
   x = 1,979.21