Finding the Fourth Proportional to 1,242.04, 1,713.72 and 744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242.04 : 1,713.72 = 744.72 : x
2. Step 2: Convert to fraction form
   1,242.04/1,713.72 = 744.72/x
3. Step 3: Cross multiply
   1,242.04x = 1,713.72 × 744.72
4. Step 4: Simplify right side
   1,242.04x = 1,276,241.56
5. Step 5: Solve for x
   x = 1,276,241.56/1,242.04
6. Step 6: Final answer
   x = 1,027.54