Finding the Fourth Proportional to 1,922.76, 2,869.76 and 1,768.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.76 : 2,869.76 = 1,768.86 : x
2. Step 2: Convert to fraction form
   1,922.76/2,869.76 = 1,768.86/x
3. Step 3: Cross multiply
   1,922.76x = 2,869.76 × 1,768.86
4. Step 4: Simplify right side
   1,922.76x = 5,076,194.83
5. Step 5: Solve for x
   x = 5,076,194.83/1,922.76
6. Step 6: Final answer
   x = 2,640.06