Finding the Fourth Proportional to 1,513.67, 2,271.27 and 744.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.67 : 2,271.27 = 744.17 : x
2. Step 2: Convert to fraction form
   1,513.67/2,271.27 = 744.17/x
3. Step 3: Cross multiply
   1,513.67x = 2,271.27 × 744.17
4. Step 4: Simplify right side
   1,513.67x = 1,690,199.64
5. Step 5: Solve for x
   x = 1,690,199.64/1,513.67
6. Step 6: Final answer
   x = 1,116.63