Finding the Fourth Proportional to 2,176.86, 3,002.72 and 1,292.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.86 : 3,002.72 = 1,292.46 : x
2. Step 2: Convert to fraction form
   2,176.86/3,002.72 = 1,292.46/x
3. Step 3: Cross multiply
   2,176.86x = 3,002.72 × 1,292.46
4. Step 4: Simplify right side
   2,176.86x = 3,880,895.49
5. Step 5: Solve for x
   x = 3,880,895.49/2,176.86
6. Step 6: Final answer
   x = 1,782.80