Finding the Fourth Proportional to 1,253.34, 1,729.62 and 693.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.34 : 1,729.62 = 693.83 : x
2. Step 2: Convert to fraction form
   1,253.34/1,729.62 = 693.83/x
3. Step 3: Cross multiply
   1,253.34x = 1,729.62 × 693.83
4. Step 4: Simplify right side
   1,253.34x = 1,200,066.57
5. Step 5: Solve for x
   x = 1,200,066.57/1,253.34
6. Step 6: Final answer
   x = 957.49