Finding the Fourth Proportional to 1,513.82, 2,089.10 and 850.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.82 : 2,089.10 = 850.71 : x
2. Step 2: Convert to fraction form
   1,513.82/2,089.10 = 850.71/x
3. Step 3: Cross multiply
   1,513.82x = 2,089.10 × 850.71
4. Step 4: Simplify right side
   1,513.82x = 1,777,214.01
5. Step 5: Solve for x
   x = 1,777,214.01/1,513.82
6. Step 6: Final answer
   x = 1,174.00