Finding the Fourth Proportional to 3,256.31, 4,493.69 and 1,764.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.31 : 4,493.69 = 1,764.23 : x
2. Step 2: Convert to fraction form
   3,256.31/4,493.69 = 1,764.23/x
3. Step 3: Cross multiply
   3,256.31x = 4,493.69 × 1,764.23
4. Step 4: Simplify right side
   3,256.31x = 7,927,871.42
5. Step 5: Solve for x
   x = 7,927,871.42/3,256.31
6. Step 6: Final answer
   x = 2,434.62