Finding the Fourth Proportional to 2,146.56, 3,219.25 and 759.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.56 : 3,219.25 = 759.71 : x
2. Step 2: Convert to fraction form
   2,146.56/3,219.25 = 759.71/x
3. Step 3: Cross multiply
   2,146.56x = 3,219.25 × 759.71
4. Step 4: Simplify right side
   2,146.56x = 2,445,707.89
5. Step 5: Solve for x
   x = 2,445,707.89/2,146.56
6. Step 6: Final answer
   x = 1,139.36