Finding the Fourth Proportional to 2,603.54, 3,905.34 and 754.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.54 : 3,905.34 = 754.70 : x
2. Step 2: Convert to fraction form
   2,603.54/3,905.34 = 754.70/x
3. Step 3: Cross multiply
   2,603.54x = 3,905.34 × 754.70
4. Step 4: Simplify right side
   2,603.54x = 2,947,360.10
5. Step 5: Solve for x
   x = 2,947,360.10/2,603.54
6. Step 6: Final answer
   x = 1,132.06