Finding the Fourth Proportional to 9,809.69, 14,723.78 and 3,575.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,809.69 : 14,723.78 = 3,575.72 : x
2. Step 2: Convert to fraction form
   9,809.69/14,723.78 = 3,575.72/x
3. Step 3: Cross multiply
   9,809.69x = 14,723.78 × 3,575.72
4. Step 4: Simplify right side
   9,809.69x = 52,648,133.55
5. Step 5: Solve for x
   x = 52,648,133.55/9,809.69
6. Step 6: Final answer
   x = 5,366.95