Finding the Fourth Proportional to 3,640.52, 5,461.58 and 1,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.52 : 5,461.58 = 1,043.25 : x
2. Step 2: Convert to fraction form
   3,640.52/5,461.58 = 1,043.25/x
3. Step 3: Cross multiply
   3,640.52x = 5,461.58 × 1,043.25
4. Step 4: Simplify right side
   3,640.52x = 5,697,795.94
5. Step 5: Solve for x
   x = 5,697,795.94/3,640.52
6. Step 6: Final answer
   x = 1,565.11