Finding the Fourth Proportional to 1,513.87, 2,089.25 and 924.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.87 : 2,089.25 = 924.25 : x
2. Step 2: Convert to fraction form
   1,513.87/2,089.25 = 924.25/x
3. Step 3: Cross multiply
   1,513.87x = 2,089.25 × 924.25
4. Step 4: Simplify right side
   1,513.87x = 1,930,989.31
5. Step 5: Solve for x
   x = 1,930,989.31/1,513.87
6. Step 6: Final answer
   x = 1,275.53