Finding the Fourth Proportional to 1,513.50, 2,271.87 and 745.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.50 : 2,271.87 = 745.62 : x
2. Step 2: Convert to fraction form
   1,513.50/2,271.87 = 745.62/x
3. Step 3: Cross multiply
   1,513.50x = 2,271.87 × 745.62
4. Step 4: Simplify right side
   1,513.50x = 1,693,951.71
5. Step 5: Solve for x
   x = 1,693,951.71/1,513.50
6. Step 6: Final answer
   x = 1,119.23