Finding the Fourth Proportional to 1,003.86, 1,504.67 and 731.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.86 : 1,504.67 = 731.16 : x
2. Step 2: Convert to fraction form
   1,003.86/1,504.67 = 731.16/x
3. Step 3: Cross multiply
   1,003.86x = 1,504.67 × 731.16
4. Step 4: Simplify right side
   1,003.86x = 1,100,150.86
5. Step 5: Solve for x
   x = 1,100,150.86/1,003.86
6. Step 6: Final answer
   x = 1,095.92