Finding the Fourth Proportional to 8,131.56, 11,221.43 and 4,594.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.56 : 11,221.43 = 4,594.56 : x
2. Step 2: Convert to fraction form
   8,131.56/11,221.43 = 4,594.56/x
3. Step 3: Cross multiply
   8,131.56x = 11,221.43 × 4,594.56
4. Step 4: Simplify right side
   8,131.56x = 51,557,510.45
5. Step 5: Solve for x
   x = 51,557,510.45/8,131.56
6. Step 6: Final answer
   x = 6,340.42