Finding the Fourth Proportional to 12,101.13, 18,152.13 and 3,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.13 : 18,152.13 = 3,336.72 : x
2. Step 2: Convert to fraction form
   12,101.13/18,152.13 = 3,336.72/x
3. Step 3: Cross multiply
   12,101.13x = 18,152.13 × 3,336.72
4. Step 4: Simplify right side
   12,101.13x = 60,568,575.21
5. Step 5: Solve for x
   x = 60,568,575.21/12,101.13
6. Step 6: Final answer
   x = 5,005.20