Finding the Fourth Proportional to 2,148.24, 2,963.56 and 1,557.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.24 : 2,963.56 = 1,557.48 : x
2. Step 2: Convert to fraction form
   2,148.24/2,963.56 = 1,557.48/x
3. Step 3: Cross multiply
   2,148.24x = 2,963.56 × 1,557.48
4. Step 4: Simplify right side
   2,148.24x = 4,615,685.43
5. Step 5: Solve for x
   x = 4,615,685.43/2,148.24
6. Step 6: Final answer
   x = 2,148.59