Finding the Fourth Proportional to 2,120.34, 2,921.76 and 1,746.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.34 : 2,921.76 = 1,746.12 : x
2. Step 2: Convert to fraction form
   2,120.34/2,921.76 = 1,746.12/x
3. Step 3: Cross multiply
   2,120.34x = 2,921.76 × 1,746.12
4. Step 4: Simplify right side
   2,120.34x = 5,101,743.57
5. Step 5: Solve for x
   x = 5,101,743.57/2,120.34
6. Step 6: Final answer
   x = 2,406.10