Finding the Fourth Proportional to 12,383.89, 18,575.83 and 5,358.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,383.89 : 18,575.83 = 5,358.15 : x
2. Step 2: Convert to fraction form
   12,383.89/18,575.83 = 5,358.15/x
3. Step 3: Cross multiply
   12,383.89x = 18,575.83 × 5,358.15
4. Step 4: Simplify right side
   12,383.89x = 99,532,083.51
5. Step 5: Solve for x
   x = 99,532,083.51/12,383.89
6. Step 6: Final answer
   x = 8,037.22