Finding the Fourth Proportional to 2,119.10, 3,178.67 and 948.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.10 : 3,178.67 = 948.83 : x
2. Step 2: Convert to fraction form
   2,119.10/3,178.67 = 948.83/x
3. Step 3: Cross multiply
   2,119.10x = 3,178.67 × 948.83
4. Step 4: Simplify right side
   2,119.10x = 3,015,996.82
5. Step 5: Solve for x
   x = 3,015,996.82/2,119.10
6. Step 6: Final answer
   x = 1,423.25