Finding the Fourth Proportional to 1,253.52, 1,729.83 and 693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.52 : 1,729.83 = 693.98 : x
2. Step 2: Convert to fraction form
   1,253.52/1,729.83 = 693.98/x
3. Step 3: Cross multiply
   1,253.52x = 1,729.83 × 693.98
4. Step 4: Simplify right side
   1,253.52x = 1,200,458.77
5. Step 5: Solve for x
   x = 1,200,458.77/1,253.52
6. Step 6: Final answer
   x = 957.67