Finding the Fourth Proportional to 1,111.97, 1,534.56 and 738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.97 : 1,534.56 = 738.30 : x
2. Step 2: Convert to fraction form
   1,111.97/1,534.56 = 738.30/x
3. Step 3: Cross multiply
   1,111.97x = 1,534.56 × 738.30
4. Step 4: Simplify right side
   1,111.97x = 1,132,961.96
5. Step 5: Solve for x
   x = 1,132,961.96/1,111.97
6. Step 6: Final answer
   x = 1,018.88