Finding the Fourth Proportional to 1,513.89, 2,089.24 and 954.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.89 : 2,089.24 = 954.69 : x
2. Step 2: Convert to fraction form
   1,513.89/2,089.24 = 954.69/x
3. Step 3: Cross multiply
   1,513.89x = 2,089.24 × 954.69
4. Step 4: Simplify right side
   1,513.89x = 1,994,571.68
5. Step 5: Solve for x
   x = 1,994,571.68/1,513.89
6. Step 6: Final answer
   x = 1,317.51