Finding the Fourth Proportional to 9,811.38, 14,718.45 and 3,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.38 : 14,718.45 = 3,570.72 : x
2. Step 2: Convert to fraction form
   9,811.38/14,718.45 = 3,570.72/x
3. Step 3: Cross multiply
   9,811.38x = 14,718.45 × 3,570.72
4. Step 4: Simplify right side
   9,811.38x = 52,555,463.78
5. Step 5: Solve for x
   x = 52,555,463.78/9,811.38
6. Step 6: Final answer
   x = 5,356.58