Finding the Fourth Proportional to 773.50, 1,151.45 and 738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   773.50 : 1,151.45 = 738.10 : x
2. Step 2: Convert to fraction form
   773.50/1,151.45 = 738.10/x
3. Step 3: Cross multiply
   773.50x = 1,151.45 × 738.10
4. Step 4: Simplify right side
   773.50x = 849,885.25
5. Step 5: Solve for x
   x = 849,885.25/773.50
6. Step 6: Final answer
   x = 1,098.75