Finding the Fourth Proportional to 2,074.80, 3,114.16 and 1,381.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.80 : 3,114.16 = 1,381.96 : x
2. Step 2: Convert to fraction form
   2,074.80/3,114.16 = 1,381.96/x
3. Step 3: Cross multiply
   2,074.80x = 3,114.16 × 1,381.96
4. Step 4: Simplify right side
   2,074.80x = 4,303,633.31
5. Step 5: Solve for x
   x = 4,303,633.31/2,074.80
6. Step 6: Final answer
   x = 2,074.24