Finding the Fourth Proportional to 1,919.04, 2,875.83 and 945.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.04 : 2,875.83 = 945.83 : x
2. Step 2: Convert to fraction form
   1,919.04/2,875.83 = 945.83/x
3. Step 3: Cross multiply
   1,919.04x = 2,875.83 × 945.83
4. Step 4: Simplify right side
   1,919.04x = 2,720,031.91
5. Step 5: Solve for x
   x = 2,720,031.91/1,919.04
6. Step 6: Final answer
   x = 1,417.39