Finding the Fourth Proportional to 2,113.27, 3,173.55 and 1,296.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.27 : 3,173.55 = 1,296.34 : x
2. Step 2: Convert to fraction form
   2,113.27/3,173.55 = 1,296.34/x
3. Step 3: Cross multiply
   2,113.27x = 3,173.55 × 1,296.34
4. Step 4: Simplify right side
   2,113.27x = 4,113,999.81
5. Step 5: Solve for x
   x = 4,113,999.81/2,113.27
6. Step 6: Final answer
   x = 1,946.75