Finding the Fourth Proportional to 1,863.05, 2,570.18 and 1,264.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.05 : 2,570.18 = 1,264.82 : x
2. Step 2: Convert to fraction form
   1,863.05/2,570.18 = 1,264.82/x
3. Step 3: Cross multiply
   1,863.05x = 2,570.18 × 1,264.82
4. Step 4: Simplify right side
   1,863.05x = 3,250,803.01
5. Step 5: Solve for x
   x = 3,250,803.01/1,863.05
6. Step 6: Final answer
   x = 1,744.88