Finding the Fourth Proportional to 1,362.82, 1,878.56 and 1,249.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.82 : 1,878.56 = 1,249.82 : x
2. Step 2: Convert to fraction form
   1,362.82/1,878.56 = 1,249.82/x
3. Step 3: Cross multiply
   1,362.82x = 1,878.56 × 1,249.82
4. Step 4: Simplify right side
   1,362.82x = 2,347,861.86
5. Step 5: Solve for x
   x = 2,347,861.86/1,362.82
6. Step 6: Final answer
   x = 1,722.80