Finding the Fourth Proportional to 10,469.25, 15,706.71 and 3,543.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,469.25 : 15,706.71 = 3,543.75 : x
2. Step 2: Convert to fraction form
   10,469.25/15,706.71 = 3,543.75/x
3. Step 3: Cross multiply
   10,469.25x = 15,706.71 × 3,543.75
4. Step 4: Simplify right side
   10,469.25x = 55,660,653.56
5. Step 5: Solve for x
   x = 55,660,653.56/10,469.25
6. Step 6: Final answer
   x = 5,316.58