Finding the Fourth Proportional to 1,894.73, 2,600.71 and 1,680.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.73 : 2,600.71 = 1,680.23 : x
2. Step 2: Convert to fraction form
   1,894.73/2,600.71 = 1,680.23/x
3. Step 3: Cross multiply
   1,894.73x = 2,600.71 × 1,680.23
4. Step 4: Simplify right side
   1,894.73x = 4,369,790.96
5. Step 5: Solve for x
   x = 4,369,790.96/1,894.73
6. Step 6: Final answer
   x = 2,306.29