Finding the Fourth Proportional to 1,513.27, 2,087.94 and 923.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.27 : 2,087.94 = 923.59 : x
2. Step 2: Convert to fraction form
   1,513.27/2,087.94 = 923.59/x
3. Step 3: Cross multiply
   1,513.27x = 2,087.94 × 923.59
4. Step 4: Simplify right side
   1,513.27x = 1,928,400.50
5. Step 5: Solve for x
   x = 1,928,400.50/1,513.27
6. Step 6: Final answer
   x = 1,274.33