Finding the Fourth Proportional to 1,250.62, 1,725.78 and 753.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.62 : 1,725.78 = 753.42 : x
2. Step 2: Convert to fraction form
   1,250.62/1,725.78 = 753.42/x
3. Step 3: Cross multiply
   1,250.62x = 1,725.78 × 753.42
4. Step 4: Simplify right side
   1,250.62x = 1,300,237.17
5. Step 5: Solve for x
   x = 1,300,237.17/1,250.62
6. Step 6: Final answer
   x = 1,039.67