Finding the Fourth Proportional to 2,131.52, 3,196.56 and 1,035.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.52 : 3,196.56 = 1,035.18 : x
2. Step 2: Convert to fraction form
   2,131.52/3,196.56 = 1,035.18/x
3. Step 3: Cross multiply
   2,131.52x = 3,196.56 × 1,035.18
4. Step 4: Simplify right side
   2,131.52x = 3,309,014.98
5. Step 5: Solve for x
   x = 3,309,014.98/2,131.52
6. Step 6: Final answer
   x = 1,552.42