Finding the Fourth Proportional to 1,725.48, 2,586.69 and 751.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.48 : 2,586.69 = 751.05 : x
2. Step 2: Convert to fraction form
   1,725.48/2,586.69 = 751.05/x
3. Step 3: Cross multiply
   1,725.48x = 2,586.69 × 751.05
4. Step 4: Simplify right side
   1,725.48x = 1,942,733.52
5. Step 5: Solve for x
   x = 1,942,733.52/1,725.48
6. Step 6: Final answer
   x = 1,125.91