Finding the Fourth Proportional to 2,131.19, 3,196.81 and 1,088.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.19 : 3,196.81 = 1,088.24 : x
2. Step 2: Convert to fraction form
   2,131.19/3,196.81 = 1,088.24/x
3. Step 3: Cross multiply
   2,131.19x = 3,196.81 × 1,088.24
4. Step 4: Simplify right side
   2,131.19x = 3,478,896.51
5. Step 5: Solve for x
   x = 3,478,896.51/2,131.19
6. Step 6: Final answer
   x = 1,632.37