Finding the Fourth Proportional to 1,863.50, 2,569.51 and 1,190.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.50 : 2,569.51 = 1,190.41 : x
2. Step 2: Convert to fraction form
   1,863.50/2,569.51 = 1,190.41/x
3. Step 3: Cross multiply
   1,863.50x = 2,569.51 × 1,190.41
4. Step 4: Simplify right side
   1,863.50x = 3,058,761.00
5. Step 5: Solve for x
   x = 3,058,761.00/1,863.50
6. Step 6: Final answer
   x = 1,641.41