Finding the Fourth Proportional to 1,513.50, 2,088.63 and 923.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.50 : 2,088.63 = 923.94 : x
2. Step 2: Convert to fraction form
   1,513.50/2,088.63 = 923.94/x
3. Step 3: Cross multiply
   1,513.50x = 2,088.63 × 923.94
4. Step 4: Simplify right side
   1,513.50x = 1,929,768.80
5. Step 5: Solve for x
   x = 1,929,768.80/1,513.50
6. Step 6: Final answer
   x = 1,275.04