Finding the Fourth Proportional to 1,711.16, 2,361.42 and 1,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.16 : 2,361.42 = 1,012.60 : x
2. Step 2: Convert to fraction form
   1,711.16/2,361.42 = 1,012.60/x
3. Step 3: Cross multiply
   1,711.16x = 2,361.42 × 1,012.60
4. Step 4: Simplify right side
   1,711.16x = 2,391,173.89
5. Step 5: Solve for x
   x = 2,391,173.89/1,711.16
6. Step 6: Final answer
   x = 1,397.40