Finding the Fourth Proportional to 3,287.05, 4,931.58 and 1,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,287.05 : 4,931.58 = 1,150.12 : x
2. Step 2: Convert to fraction form
   3,287.05/4,931.58 = 1,150.12/x
3. Step 3: Cross multiply
   3,287.05x = 4,931.58 × 1,150.12
4. Step 4: Simplify right side
   3,287.05x = 5,671,908.79
5. Step 5: Solve for x
   x = 5,671,908.79/3,287.05
6. Step 6: Final answer
   x = 1,725.53