Finding the Fourth Proportional to 2,278.92, 3,145.86 and 1,483.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278.92 : 3,145.86 = 1,483.38 : x
2. Step 2: Convert to fraction form
   2,278.92/3,145.86 = 1,483.38/x
3. Step 3: Cross multiply
   2,278.92x = 3,145.86 × 1,483.38
4. Step 4: Simplify right side
   2,278.92x = 4,666,505.81
5. Step 5: Solve for x
   x = 4,666,505.81/2,278.92
6. Step 6: Final answer
   x = 2,047.68