Finding the Fourth Proportional to 2,549.31, 3,824.40 and 1,316.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.31 : 3,824.40 = 1,316.37 : x
2. Step 2: Convert to fraction form
   2,549.31/3,824.40 = 1,316.37/x
3. Step 3: Cross multiply
   2,549.31x = 3,824.40 × 1,316.37
4. Step 4: Simplify right side
   2,549.31x = 5,034,325.43
5. Step 5: Solve for x
   x = 5,034,325.43/2,549.31
6. Step 6: Final answer
   x = 1,974.78