Finding the Fourth Proportional to 2,569.45, 3,852.38 and 1,316.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.45 : 3,852.38 = 1,316.97 : x
2. Step 2: Convert to fraction form
   2,569.45/3,852.38 = 1,316.97/x
3. Step 3: Cross multiply
   2,569.45x = 3,852.38 × 1,316.97
4. Step 4: Simplify right side
   2,569.45x = 5,073,468.89
5. Step 5: Solve for x
   x = 5,073,468.89/2,569.45
6. Step 6: Final answer
   x = 1,974.53