Finding the Fourth Proportional to 1,948.83, 2,689.30 and 1,064.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.83 : 2,689.30 = 1,064.62 : x
2. Step 2: Convert to fraction form
   1,948.83/2,689.30 = 1,064.62/x
3. Step 3: Cross multiply
   1,948.83x = 2,689.30 × 1,064.62
4. Step 4: Simplify right side
   1,948.83x = 2,863,082.57
5. Step 5: Solve for x
   x = 2,863,082.57/1,948.83
6. Step 6: Final answer
   x = 1,469.13