Finding the Fourth Proportional to 1,725.27, 2,588.56 and 738.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.27 : 2,588.56 = 738.28 : x
2. Step 2: Convert to fraction form
   1,725.27/2,588.56 = 738.28/x
3. Step 3: Cross multiply
   1,725.27x = 2,588.56 × 738.28
4. Step 4: Simplify right side
   1,725.27x = 1,911,083.47
5. Step 5: Solve for x
   x = 1,911,083.47/1,725.27
6. Step 6: Final answer
   x = 1,107.70