Finding the Fourth Proportional to 1,753.59, 2,629.33 and 712.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.59 : 2,629.33 = 712.74 : x
2. Step 2: Convert to fraction form
   1,753.59/2,629.33 = 712.74/x
3. Step 3: Cross multiply
   1,753.59x = 2,629.33 × 712.74
4. Step 4: Simplify right side
   1,753.59x = 1,874,036.74
5. Step 5: Solve for x
   x = 1,874,036.74/1,753.59
6. Step 6: Final answer
   x = 1,068.68