Finding the Fourth Proportional to 4,813.89, 6,644.27 and 3,132.33

Step by Step Solution

1. Step 1: Write the proportion equation
   4,813.89 : 6,644.27 = 3,132.33 : x
2. Step 2: Convert to fraction form
   4,813.89/6,644.27 = 3,132.33/x
3. Step 3: Cross multiply
   4,813.89x = 6,644.27 × 3,132.33
4. Step 4: Simplify right side
   4,813.89x = 20,812,030.59
5. Step 5: Solve for x
   x = 20,812,030.59/4,813.89
6. Step 6: Final answer
   x = 4,323.33