Finding the Fourth Proportional to 8,605.82, 11,875.83 and 4,828.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,605.82 : 11,875.83 = 4,828.89 : x
2. Step 2: Convert to fraction form
   8,605.82/11,875.83 = 4,828.89/x
3. Step 3: Cross multiply
   8,605.82x = 11,875.83 × 4,828.89
4. Step 4: Simplify right side
   8,605.82x = 57,347,076.73
5. Step 5: Solve for x
   x = 57,347,076.73/8,605.82
6. Step 6: Final answer
   x = 6,663.76