Finding the Fourth Proportional to 1,362.08, 2,042.69 and 712.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.08 : 2,042.69 = 712.46 : x
2. Step 2: Convert to fraction form
   1,362.08/2,042.69 = 712.46/x
3. Step 3: Cross multiply
   1,362.08x = 2,042.69 × 712.46
4. Step 4: Simplify right side
   1,362.08x = 1,455,321.14
5. Step 5: Solve for x
   x = 1,455,321.14/1,362.08
6. Step 6: Final answer
   x = 1,068.46