Finding the Fourth Proportional to 2,176.83, 3,004.43 and 1,293.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.83 : 3,004.43 = 1,293.12 : x
2. Step 2: Convert to fraction form
   2,176.83/3,004.43 = 1,293.12/x
3. Step 3: Cross multiply
   2,176.83x = 3,004.43 × 1,293.12
4. Step 4: Simplify right side
   2,176.83x = 3,885,082.06
5. Step 5: Solve for x
   x = 3,885,082.06/2,176.83
6. Step 6: Final answer
   x = 1,784.74