Finding the Fourth Proportional to 1,337.72, 1,847.04 and 865.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.72 : 1,847.04 = 865.90 : x
2. Step 2: Convert to fraction form
   1,337.72/1,847.04 = 865.90/x
3. Step 3: Cross multiply
   1,337.72x = 1,847.04 × 865.90
4. Step 4: Simplify right side
   1,337.72x = 1,599,351.94
5. Step 5: Solve for x
   x = 1,599,351.94/1,337.72
6. Step 6: Final answer
   x = 1,195.58