Finding the Fourth Proportional to 2,548.80, 3,820.41 and 1,314.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.80 : 3,820.41 = 1,314.59 : x
2. Step 2: Convert to fraction form
   2,548.80/3,820.41 = 1,314.59/x
3. Step 3: Cross multiply
   2,548.80x = 3,820.41 × 1,314.59
4. Step 4: Simplify right side
   2,548.80x = 5,022,253.68
5. Step 5: Solve for x
   x = 5,022,253.68/2,548.80
6. Step 6: Final answer
   x = 1,970.44