Finding the Fourth Proportional to 3,256.86, 4,881.86 and 1,065

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.86 : 4,881.86 = 1,065 : x
2. Step 2: Convert to fraction form
   3,256.86/4,881.86 = 1,065/x
3. Step 3: Cross multiply
   3,256.86x = 4,881.86 × 1,065
4. Step 4: Simplify right side
   3,256.86x = 5,199,180.90
5. Step 5: Solve for x
   x = 5,199,180.90/3,256.86
6. Step 6: Final answer
   x = 1,596.38