Finding the Fourth Proportional to 12,104.43, 18,154.12 and 4,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,104.43 : 18,154.12 = 4,708.72 : x
2. Step 2: Convert to fraction form
   12,104.43/18,154.12 = 4,708.72/x
3. Step 3: Cross multiply
   12,104.43x = 18,154.12 × 4,708.72
4. Step 4: Simplify right side
   12,104.43x = 85,482,667.93
5. Step 5: Solve for x
   x = 85,482,667.93/12,104.43
6. Step 6: Final answer
   x = 7,062.10