Finding the Fourth Proportional to 1,253.03, 1,729.16 and 693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.03 : 1,729.16 = 693.50 : x
2. Step 2: Convert to fraction form
   1,253.03/1,729.16 = 693.50/x
3. Step 3: Cross multiply
   1,253.03x = 1,729.16 × 693.50
4. Step 4: Simplify right side
   1,253.03x = 1,199,160.35
5. Step 5: Solve for x
   x = 1,199,160.35/1,253.03
6. Step 6: Final answer
   x = 957.01