Finding the Fourth Proportional to 2,169.84, 3,256.56 and 1,074.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.84 : 3,256.56 = 1,074.54 : x
2. Step 2: Convert to fraction form
   2,169.84/3,256.56 = 1,074.54/x
3. Step 3: Cross multiply
   2,169.84x = 3,256.56 × 1,074.54
4. Step 4: Simplify right side
   2,169.84x = 3,499,303.98
5. Step 5: Solve for x
   x = 3,499,303.98/2,169.84
6. Step 6: Final answer
   x = 1,612.70