Finding the Fourth Proportional to 1,250.33, 1,725.50 and 690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.33 : 1,725.50 = 690.82 : x
2. Step 2: Convert to fraction form
   1,250.33/1,725.50 = 690.82/x
3. Step 3: Cross multiply
   1,250.33x = 1,725.50 × 690.82
4. Step 4: Simplify right side
   1,250.33x = 1,192,004.73
5. Step 5: Solve for x
   x = 1,192,004.73/1,250.33
6. Step 6: Final answer
   x = 953.36