Finding the Fourth Proportional to 2,136.29, 3,200.10 and 1,093.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.29 : 3,200.10 = 1,093.21 : x
2. Step 2: Convert to fraction form
   2,136.29/3,200.10 = 1,093.21/x
3. Step 3: Cross multiply
   2,136.29x = 3,200.10 × 1,093.21
4. Step 4: Simplify right side
   2,136.29x = 3,498,381.32
5. Step 5: Solve for x
   x = 3,498,381.32/2,136.29
6. Step 6: Final answer
   x = 1,637.60