Finding the Fourth Proportional to 2,586.96, 3,881.52 and 1,289.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.96 : 3,881.52 = 1,289.52 : x
2. Step 2: Convert to fraction form
   2,586.96/3,881.52 = 1,289.52/x
3. Step 3: Cross multiply
   2,586.96x = 3,881.52 × 1,289.52
4. Step 4: Simplify right side
   2,586.96x = 5,005,297.67
5. Step 5: Solve for x
   x = 5,005,297.67/2,586.96
6. Step 6: Final answer
   x = 1,934.82