Finding the Fourth Proportional to 8,410.58, 11,605.73 and 5,179.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,410.58 : 11,605.73 = 5,179.89 : x
2. Step 2: Convert to fraction form
   8,410.58/11,605.73 = 5,179.89/x
3. Step 3: Cross multiply
   8,410.58x = 11,605.73 × 5,179.89
4. Step 4: Simplify right side
   8,410.58x = 60,116,404.77
5. Step 5: Solve for x
   x = 60,116,404.77/8,410.58
6. Step 6: Final answer
   x = 7,147.71