Finding the Fourth Proportional to 1,949.76, 2,923.80 and 854.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.76 : 2,923.80 = 854.82 : x
2. Step 2: Convert to fraction form
   1,949.76/2,923.80 = 854.82/x
3. Step 3: Cross multiply
   1,949.76x = 2,923.80 × 854.82
4. Step 4: Simplify right side
   1,949.76x = 2,499,322.72
5. Step 5: Solve for x
   x = 2,499,322.72/1,949.76
6. Step 6: Final answer
   x = 1,281.86