Finding the Fourth Proportional to 2,948.43, 4,422.86 and 1,305

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.43 : 4,422.86 = 1,305 : x
2. Step 2: Convert to fraction form
   2,948.43/4,422.86 = 1,305/x
3. Step 3: Cross multiply
   2,948.43x = 4,422.86 × 1,305
4. Step 4: Simplify right side
   2,948.43x = 5,771,825.78
5. Step 5: Solve for x
   x = 5,771,825.78/2,948.43
6. Step 6: Final answer
   x = 1,957.59