Finding the Fourth Proportional to 1,513.86, 2,088.38 and 923.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.86 : 2,088.38 = 923.37 : x
2. Step 2: Convert to fraction form
   1,513.86/2,088.38 = 923.37/x
3. Step 3: Cross multiply
   1,513.86x = 2,088.38 × 923.37
4. Step 4: Simplify right side
   1,513.86x = 1,928,347.44
5. Step 5: Solve for x
   x = 1,928,347.44/1,513.86
6. Step 6: Final answer
   x = 1,273.80