Finding the Fourth Proportional to 915.82, 1,262.88 and 749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915.82 : 1,262.88 = 749.50 : x
2. Step 2: Convert to fraction form
   915.82/1,262.88 = 749.50/x
3. Step 3: Cross multiply
   915.82x = 1,262.88 × 749.50
4. Step 4: Simplify right side
   915.82x = 946,528.56
5. Step 5: Solve for x
   x = 946,528.56/915.82
6. Step 6: Final answer
   x = 1,033.53