Finding the Fourth Proportional to 12,383.91, 18,581.33 and 5,002.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,383.91 : 18,581.33 = 5,002.79 : x
2. Step 2: Convert to fraction form
   12,383.91/18,581.33 = 5,002.79/x
3. Step 3: Cross multiply
   12,383.91x = 18,581.33 × 5,002.79
4. Step 4: Simplify right side
   12,383.91x = 92,958,411.51
5. Step 5: Solve for x
   x = 92,958,411.51/12,383.91
6. Step 6: Final answer
   x = 7,506.39