Finding the Fourth Proportional to 2,051.04, 3,074.12 and 1,686.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.04 : 3,074.12 = 1,686.56 : x
2. Step 2: Convert to fraction form
   2,051.04/3,074.12 = 1,686.56/x
3. Step 3: Cross multiply
   2,051.04x = 3,074.12 × 1,686.56
4. Step 4: Simplify right side
   2,051.04x = 5,184,687.83
5. Step 5: Solve for x
   x = 5,184,687.83/2,051.04
6. Step 6: Final answer
   x = 2,527.83