Finding the Fourth Proportional to 1,513.86, 2,089.52 and 850.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.86 : 2,089.52 = 850.92 : x
2. Step 2: Convert to fraction form
   1,513.86/2,089.52 = 850.92/x
3. Step 3: Cross multiply
   1,513.86x = 2,089.52 × 850.92
4. Step 4: Simplify right side
   1,513.86x = 1,778,010.10
5. Step 5: Solve for x
   x = 1,778,010.10/1,513.86
6. Step 6: Final answer
   x = 1,174.49