Finding the Fourth Proportional to 1,046.72, 1,570.34 and 739.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.72 : 1,570.34 = 739.17 : x
2. Step 2: Convert to fraction form
   1,046.72/1,570.34 = 739.17/x
3. Step 3: Cross multiply
   1,046.72x = 1,570.34 × 739.17
4. Step 4: Simplify right side
   1,046.72x = 1,160,744.52
5. Step 5: Solve for x
   x = 1,160,744.52/1,046.72
6. Step 6: Final answer
   x = 1,108.94