Finding the Fourth Proportional to 10,404.74, 15,608.46 and 5,474.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.74 : 15,608.46 = 5,474.61 : x
2. Step 2: Convert to fraction form
   10,404.74/15,608.46 = 5,474.61/x
3. Step 3: Cross multiply
   10,404.74x = 15,608.46 × 5,474.61
4. Step 4: Simplify right side
   10,404.74x = 85,450,231.20
5. Step 5: Solve for x
   x = 85,450,231.20/10,404.74
6. Step 6: Final answer
   x = 8,212.63