Finding the Fourth Proportional to 1,863.49, 2,795.25 and 1,131.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.49 : 2,795.25 = 1,131.61 : x
2. Step 2: Convert to fraction form
   1,863.49/2,795.25 = 1,131.61/x
3. Step 3: Cross multiply
   1,863.49x = 2,795.25 × 1,131.61
4. Step 4: Simplify right side
   1,863.49x = 3,163,118.88
5. Step 5: Solve for x
   x = 3,163,118.88/1,863.49
6. Step 6: Final answer
   x = 1,697.42