Finding the Fourth Proportional to 1,253.17, 1,729.56 and 756.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.17 : 1,729.56 = 756.10 : x
2. Step 2: Convert to fraction form
   1,253.17/1,729.56 = 756.10/x
3. Step 3: Cross multiply
   1,253.17x = 1,729.56 × 756.10
4. Step 4: Simplify right side
   1,253.17x = 1,307,720.32
5. Step 5: Solve for x
   x = 1,307,720.32/1,253.17
6. Step 6: Final answer
   x = 1,043.53