Finding the Fourth Proportional to 2,919.83, 4,380.24 and 1,276.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.83 : 4,380.24 = 1,276.34 : x
2. Step 2: Convert to fraction form
   2,919.83/4,380.24 = 1,276.34/x
3. Step 3: Cross multiply
   2,919.83x = 4,380.24 × 1,276.34
4. Step 4: Simplify right side
   2,919.83x = 5,590,675.52
5. Step 5: Solve for x
   x = 5,590,675.52/2,919.83
6. Step 6: Final answer
   x = 1,914.73