Finding the Fourth Proportional to 1,863.50, 2,571.64 and 1,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.50 : 2,571.64 = 1,035.50 : x
2. Step 2: Convert to fraction form
   1,863.50/2,571.64 = 1,035.50/x
3. Step 3: Cross multiply
   1,863.50x = 2,571.64 × 1,035.50
4. Step 4: Simplify right side
   1,863.50x = 2,662,933.22
5. Step 5: Solve for x
   x = 2,662,933.22/1,863.50
6. Step 6: Final answer
   x = 1,429.00