Finding the Fourth Proportional to 8,357.05, 12,535.41 and 3,360.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,357.05 : 12,535.41 = 3,360.56 : x
2. Step 2: Convert to fraction form
   8,357.05/12,535.41 = 3,360.56/x
3. Step 3: Cross multiply
   8,357.05x = 12,535.41 × 3,360.56
4. Step 4: Simplify right side
   8,357.05x = 42,125,997.43
5. Step 5: Solve for x
   x = 42,125,997.43/8,357.05
6. Step 6: Final answer
   x = 5,040.77