Finding the Fourth Proportional to 3,256.42, 4,885.67 and 1,064.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.42 : 4,885.67 = 1,064.65 : x
2. Step 2: Convert to fraction form
   3,256.42/4,885.67 = 1,064.65/x
3. Step 3: Cross multiply
   3,256.42x = 4,885.67 × 1,064.65
4. Step 4: Simplify right side
   3,256.42x = 5,201,498.81
5. Step 5: Solve for x
   x = 5,201,498.81/3,256.42
6. Step 6: Final answer
   x = 1,597.31