Finding the Fourth Proportional to 2,451.42, 3,678.31 and 1,526.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.42 : 3,678.31 = 1,526.73 : x
2. Step 2: Convert to fraction form
   2,451.42/3,678.31 = 1,526.73/x
3. Step 3: Cross multiply
   2,451.42x = 3,678.31 × 1,526.73
4. Step 4: Simplify right side
   2,451.42x = 5,615,786.23
5. Step 5: Solve for x
   x = 5,615,786.23/2,451.42
6. Step 6: Final answer
   x = 2,290.83