Finding the Fourth Proportional to 1,515.13, 2,271.69 and 733.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515.13 : 2,271.69 = 733.57 : x
2. Step 2: Convert to fraction form
   1,515.13/2,271.69 = 733.57/x
3. Step 3: Cross multiply
   1,515.13x = 2,271.69 × 733.57
4. Step 4: Simplify right side
   1,515.13x = 1,666,443.63
5. Step 5: Solve for x
   x = 1,666,443.63/1,515.13
6. Step 6: Final answer
   x = 1,099.87