Finding the Fourth Proportional to 1,878.24, 2,818.56 and 1,262.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.24 : 2,818.56 = 1,262.16 : x
2. Step 2: Convert to fraction form
   1,878.24/2,818.56 = 1,262.16/x
3. Step 3: Cross multiply
   1,878.24x = 2,818.56 × 1,262.16
4. Step 4: Simplify right side
   1,878.24x = 3,557,473.69
5. Step 5: Solve for x
   x = 3,557,473.69/1,878.24
6. Step 6: Final answer
   x = 1,894.05