Finding the Fourth Proportional to 2,144.22, 3,200.48 and 2,129.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.22 : 3,200.48 = 2,129.10 : x
2. Step 2: Convert to fraction form
   2,144.22/3,200.48 = 2,129.10/x
3. Step 3: Cross multiply
   2,144.22x = 3,200.48 × 2,129.10
4. Step 4: Simplify right side
   2,144.22x = 6,814,131.32
5. Step 5: Solve for x
   x = 6,814,131.32/2,144.22
6. Step 6: Final answer
   x = 3,177.91