Finding the Fourth Proportional to 2,131.68, 3,197.73 and 1,088.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.68 : 3,197.73 = 1,088.82 : x
2. Step 2: Convert to fraction form
   2,131.68/3,197.73 = 1,088.82/x
3. Step 3: Cross multiply
   2,131.68x = 3,197.73 × 1,088.82
4. Step 4: Simplify right side
   2,131.68x = 3,481,752.38
5. Step 5: Solve for x
   x = 3,481,752.38/2,131.68
6. Step 6: Final answer
   x = 1,633.34