Finding the Fourth Proportional to 1,503.24, 2,256.96 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.24 : 2,256.96 = 773.34 : x
2. Step 2: Convert to fraction form
   1,503.24/2,256.96 = 773.34/x
3. Step 3: Cross multiply
   1,503.24x = 2,256.96 × 773.34
4. Step 4: Simplify right side
   1,503.24x = 1,745,397.45
5. Step 5: Solve for x
   x = 1,745,397.45/1,503.24
6. Step 6: Final answer
   x = 1,161.09