Finding the Fourth Proportional to 2,603.57, 3,905.34 and 1,305.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.57 : 3,905.34 = 1,305.02 : x
2. Step 2: Convert to fraction form
   2,603.57/3,905.34 = 1,305.02/x
3. Step 3: Cross multiply
   2,603.57x = 3,905.34 × 1,305.02
4. Step 4: Simplify right side
   2,603.57x = 5,096,546.81
5. Step 5: Solve for x
   x = 5,096,546.81/2,603.57
6. Step 6: Final answer
   x = 1,957.52