Finding the Fourth Proportional to 1,822.89, 2,734.16 and 712.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.89 : 2,734.16 = 712.10 : x
2. Step 2: Convert to fraction form
   1,822.89/2,734.16 = 712.10/x
3. Step 3: Cross multiply
   1,822.89x = 2,734.16 × 712.10
4. Step 4: Simplify right side
   1,822.89x = 1,946,978.10
5. Step 5: Solve for x
   x = 1,946,978.10/1,822.89
6. Step 6: Final answer
   x = 1,068.07