Finding the Fourth Proportional to 2,148.58, 3,216.39 and 1,571.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.58 : 3,216.39 = 1,571.86 : x
2. Step 2: Convert to fraction form
   2,148.58/3,216.39 = 1,571.86/x
3. Step 3: Cross multiply
   2,148.58x = 3,216.39 × 1,571.86
4. Step 4: Simplify right side
   2,148.58x = 5,055,714.79
5. Step 5: Solve for x
   x = 5,055,714.79/2,148.58
6. Step 6: Final answer
   x = 2,353.05