Finding the Fourth Proportional to 10,469.61, 15,707.16 and 3,450.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,469.61 : 15,707.16 = 3,450.69 : x
2. Step 2: Convert to fraction form
   10,469.61/15,707.16 = 3,450.69/x
3. Step 3: Cross multiply
   10,469.61x = 15,707.16 × 3,450.69
4. Step 4: Simplify right side
   10,469.61x = 54,200,539.94
5. Step 5: Solve for x
   x = 54,200,539.94/10,469.61
6. Step 6: Final answer
   x = 5,176.94