Finding the Fourth Proportional to 1,150.31, 1,585.27 and 1,037.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.31 : 1,585.27 = 1,037.11 : x
2. Step 2: Convert to fraction form
   1,150.31/1,585.27 = 1,037.11/x
3. Step 3: Cross multiply
   1,150.31x = 1,585.27 × 1,037.11
4. Step 4: Simplify right side
   1,150.31x = 1,644,099.37
5. Step 5: Solve for x
   x = 1,644,099.37/1,150.31
6. Step 6: Final answer
   x = 1,429.27