Finding the Fourth Proportional to 2,176.89, 3,002.74 and 1,292.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.89 : 3,002.74 = 1,292.06 : x
2. Step 2: Convert to fraction form
   2,176.89/3,002.74 = 1,292.06/x
3. Step 3: Cross multiply
   2,176.89x = 3,002.74 × 1,292.06
4. Step 4: Simplify right side
   2,176.89x = 3,879,724.52
5. Step 5: Solve for x
   x = 3,879,724.52/2,176.89
6. Step 6: Final answer
   x = 1,782.23