Finding the Fourth Proportional to 2,176.56, 3,003.48 and 1,292.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.56 : 3,003.48 = 1,292.76 : x
2. Step 2: Convert to fraction form
   2,176.56/3,003.48 = 1,292.76/x
3. Step 3: Cross multiply
   2,176.56x = 3,003.48 × 1,292.76
4. Step 4: Simplify right side
   2,176.56x = 3,882,778.80
5. Step 5: Solve for x
   x = 3,882,778.80/2,176.56
6. Step 6: Final answer
   x = 1,783.91