Finding the Fourth Proportional to 10,404.45, 15,603.84 and 4,559.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.45 : 15,603.84 = 4,559.63 : x
2. Step 2: Convert to fraction form
   10,404.45/15,603.84 = 4,559.63/x
3. Step 3: Cross multiply
   10,404.45x = 15,603.84 × 4,559.63
4. Step 4: Simplify right side
   10,404.45x = 71,147,658.96
5. Step 5: Solve for x
   x = 71,147,658.96/10,404.45
6. Step 6: Final answer
   x = 6,838.20