Finding the Fourth Proportional to 2,136.50, 3,196.52 and 2,131.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.50 : 3,196.52 = 2,131.02 : x
2. Step 2: Convert to fraction form
   2,136.50/3,196.52 = 2,131.02/x
3. Step 3: Cross multiply
   2,136.50x = 3,196.52 × 2,131.02
4. Step 4: Simplify right side
   2,136.50x = 6,811,848.05
5. Step 5: Solve for x
   x = 6,811,848.05/2,136.50
6. Step 6: Final answer
   x = 3,188.32