Finding the Fourth Proportional to 12,002.38, 16,558.67 and 7,518.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.38 : 16,558.67 = 7,518.33 : x
2. Step 2: Convert to fraction form
   12,002.38/16,558.67 = 7,518.33/x
3. Step 3: Cross multiply
   12,002.38x = 16,558.67 × 7,518.33
4. Step 4: Simplify right side
   12,002.38x = 124,493,425.04
5. Step 5: Solve for x
   x = 124,493,425.04/12,002.38
6. Step 6: Final answer
   x = 10,372.39