Finding the Fourth Proportional to 2,478.72, 3,420.27 and 1,483.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.72 : 3,420.27 = 1,483.79 : x
2. Step 2: Convert to fraction form
   2,478.72/3,420.27 = 1,483.79/x
3. Step 3: Cross multiply
   2,478.72x = 3,420.27 × 1,483.79
4. Step 4: Simplify right side
   2,478.72x = 5,074,945.32
5. Step 5: Solve for x
   x = 5,074,945.32/2,478.72
6. Step 6: Final answer
   x = 2,047.41