Finding the Fourth Proportional to 10,470.72, 15,704.64 and 3,544.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,470.72 : 15,704.64 = 3,544.32 : x
2. Step 2: Convert to fraction form
   10,470.72/15,704.64 = 3,544.32/x
3. Step 3: Cross multiply
   10,470.72x = 15,704.64 × 3,544.32
4. Step 4: Simplify right side
   10,470.72x = 55,662,269.64
5. Step 5: Solve for x
   x = 55,662,269.64/10,470.72
6. Step 6: Final answer
   x = 5,315.99