Finding the Fourth Proportional to 2,173.48, 3,259.72 and 1,296.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.48 : 3,259.72 = 1,296.23 : x
2. Step 2: Convert to fraction form
   2,173.48/3,259.72 = 1,296.23/x
3. Step 3: Cross multiply
   2,173.48x = 3,259.72 × 1,296.23
4. Step 4: Simplify right side
   2,173.48x = 4,225,346.86
5. Step 5: Solve for x
   x = 4,225,346.86/2,173.48
6. Step 6: Final answer
   x = 1,944.05