Finding the Fourth Proportional to 1,047.76, 1,569.92 and 738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.76 : 1,569.92 = 738.12 : x
2. Step 2: Convert to fraction form
   1,047.76/1,569.92 = 738.12/x
3. Step 3: Cross multiply
   1,047.76x = 1,569.92 × 738.12
4. Step 4: Simplify right side
   1,047.76x = 1,158,789.35
5. Step 5: Solve for x
   x = 1,158,789.35/1,047.76
6. Step 6: Final answer
   x = 1,105.97