Finding the Fourth Proportional to 1,948.56, 2,689.06 and 1,064.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.56 : 2,689.06 = 1,064.37 : x
2. Step 2: Convert to fraction form
   1,948.56/2,689.06 = 1,064.37/x
3. Step 3: Cross multiply
   1,948.56x = 2,689.06 × 1,064.37
4. Step 4: Simplify right side
   1,948.56x = 2,862,154.79
5. Step 5: Solve for x
   x = 2,862,154.79/1,948.56
6. Step 6: Final answer
   x = 1,468.86