Finding the Fourth Proportional to 2,144.91, 2,961.87 and 1,558.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.91 : 2,961.87 = 1,558.47 : x
2. Step 2: Convert to fraction form
   2,144.91/2,961.87 = 1,558.47/x
3. Step 3: Cross multiply
   2,144.91x = 2,961.87 × 1,558.47
4. Step 4: Simplify right side
   2,144.91x = 4,615,985.54
5. Step 5: Solve for x
   x = 4,615,985.54/2,144.91
6. Step 6: Final answer
   x = 2,152.06