Finding the Fourth Proportional to 1,337.57, 1,844.16 and 864.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.57 : 1,844.16 = 864.67 : x
2. Step 2: Convert to fraction form
   1,337.57/1,844.16 = 864.67/x
3. Step 3: Cross multiply
   1,337.57x = 1,844.16 × 864.67
4. Step 4: Simplify right side
   1,337.57x = 1,594,589.83
5. Step 5: Solve for x
   x = 1,594,589.83/1,337.57
6. Step 6: Final answer
   x = 1,192.15