Finding the Fourth Proportional to 1,250.37, 1,725.46 and 690.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.37 : 1,725.46 = 690.83 : x
2. Step 2: Convert to fraction form
   1,250.37/1,725.46 = 690.83/x
3. Step 3: Cross multiply
   1,250.37x = 1,725.46 × 690.83
4. Step 4: Simplify right side
   1,250.37x = 1,191,990.90
5. Step 5: Solve for x
   x = 1,191,990.90/1,250.37
6. Step 6: Final answer
   x = 953.31