Finding the Fourth Proportional to 2,131.16, 3,196.52 and 744.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.16 : 3,196.52 = 744.26 : x
2. Step 2: Convert to fraction form
   2,131.16/3,196.52 = 744.26/x
3. Step 3: Cross multiply
   2,131.16x = 3,196.52 × 744.26
4. Step 4: Simplify right side
   2,131.16x = 2,379,041.98
5. Step 5: Solve for x
   x = 2,379,041.98/2,131.16
6. Step 6: Final answer
   x = 1,116.31