Finding the Fourth Proportional to 8,499.42, 12,750.05 and 3,571.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.42 : 12,750.05 = 3,571.38 : x
2. Step 2: Convert to fraction form
   8,499.42/12,750.05 = 3,571.38/x
3. Step 3: Cross multiply
   8,499.42x = 12,750.05 × 3,571.38
4. Step 4: Simplify right side
   8,499.42x = 45,535,209.82
5. Step 5: Solve for x
   x = 45,535,209.82/8,499.42
6. Step 6: Final answer
   x = 5,357.45