Finding the Fourth Proportional to 1,863.31, 2,570.83 and 1,469.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.31 : 2,570.83 = 1,469.11 : x
2. Step 2: Convert to fraction form
   1,863.31/2,570.83 = 1,469.11/x
3. Step 3: Cross multiply
   1,863.31x = 2,570.83 × 1,469.11
4. Step 4: Simplify right side
   1,863.31x = 3,776,832.06
5. Step 5: Solve for x
   x = 3,776,832.06/1,863.31
6. Step 6: Final answer
   x = 2,026.95