Finding the Fourth Proportional to 1,253.02, 1,729.20 and 693.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.02 : 1,729.20 = 693.52 : x
2. Step 2: Convert to fraction form
   1,253.02/1,729.20 = 693.52/x
3. Step 3: Cross multiply
   1,253.02x = 1,729.20 × 693.52
4. Step 4: Simplify right side
   1,253.02x = 1,199,234.78
5. Step 5: Solve for x
   x = 1,199,234.78/1,253.02
6. Step 6: Final answer
   x = 957.08