Finding the Fourth Proportional to 8,458.83, 11,669.31 and 5,099.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,458.83 : 11,669.31 = 5,099.58 : x
2. Step 2: Convert to fraction form
   8,458.83/11,669.31 = 5,099.58/x
3. Step 3: Cross multiply
   8,458.83x = 11,669.31 × 5,099.58
4. Step 4: Simplify right side
   8,458.83x = 59,508,579.89
5. Step 5: Solve for x
   x = 59,508,579.89/8,458.83
6. Step 6: Final answer
   x = 7,035.08