Finding the Fourth Proportional to 2,046.72, 3,070.40 and 1,282.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.72 : 3,070.40 = 1,282.56 : x
2. Step 2: Convert to fraction form
   2,046.72/3,070.40 = 1,282.56/x
3. Step 3: Cross multiply
   2,046.72x = 3,070.40 × 1,282.56
4. Step 4: Simplify right side
   2,046.72x = 3,937,972.22
5. Step 5: Solve for x
   x = 3,937,972.22/2,046.72
6. Step 6: Final answer
   x = 1,924.04