Finding the Fourth Proportional to 2,706.89, 4,060.53 and 1,321.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.89 : 4,060.53 = 1,321.38 : x
2. Step 2: Convert to fraction form
   2,706.89/4,060.53 = 1,321.38/x
3. Step 3: Cross multiply
   2,706.89x = 4,060.53 × 1,321.38
4. Step 4: Simplify right side
   2,706.89x = 5,365,503.13
5. Step 5: Solve for x
   x = 5,365,503.13/2,706.89
6. Step 6: Final answer
   x = 1,982.17