Finding the Fourth Proportional to 1,233.42, 1,849.86 and 712.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.42 : 1,849.86 = 712.32 : x
2. Step 2: Convert to fraction form
   1,233.42/1,849.86 = 712.32/x
3. Step 3: Cross multiply
   1,233.42x = 1,849.86 × 712.32
4. Step 4: Simplify right side
   1,233.42x = 1,317,692.28
5. Step 5: Solve for x
   x = 1,317,692.28/1,233.42
6. Step 6: Final answer
   x = 1,068.32