Finding the Fourth Proportional to 8,498.72, 12,750.72 and 3,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.72 : 12,750.72 = 3,570.56 : x
2. Step 2: Convert to fraction form
   8,498.72/12,750.72 = 3,570.56/x
3. Step 3: Cross multiply
   8,498.72x = 12,750.72 × 3,570.56
4. Step 4: Simplify right side
   8,498.72x = 45,527,210.80
5. Step 5: Solve for x
   x = 45,527,210.80/8,498.72
6. Step 6: Final answer
   x = 5,356.95