Finding the Fourth Proportional to 1,149.50, 1,585.82 and 899.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,149.50 : 1,585.82 = 899.82 : x
2. Step 2: Convert to fraction form
   1,149.50/1,585.82 = 899.82/x
3. Step 3: Cross multiply
   1,149.50x = 1,585.82 × 899.82
4. Step 4: Simplify right side
   1,149.50x = 1,426,952.55
5. Step 5: Solve for x
   x = 1,426,952.55/1,149.50
6. Step 6: Final answer
   x = 1,241.37