Finding the Fourth Proportional to 3,603.52, 5,404.68 and 1,005.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.52 : 5,404.68 = 1,005.76 : x
2. Step 2: Convert to fraction form
   3,603.52/5,404.68 = 1,005.76/x
3. Step 3: Cross multiply
   3,603.52x = 5,404.68 × 1,005.76
4. Step 4: Simplify right side
   3,603.52x = 5,435,810.96
5. Step 5: Solve for x
   x = 5,435,810.96/3,603.52
6. Step 6: Final answer
   x = 1,508.47