Finding the Fourth Proportional to 2,603.25, 3,905.42 and 1,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.25 : 3,905.42 = 1,064.25 : x
2. Step 2: Convert to fraction form
   2,603.25/3,905.42 = 1,064.25/x
3. Step 3: Cross multiply
   2,603.25x = 3,905.42 × 1,064.25
4. Step 4: Simplify right side
   2,603.25x = 4,156,337.91
5. Step 5: Solve for x
   x = 4,156,337.91/2,603.25
6. Step 6: Final answer
   x = 1,596.60