Finding the Fourth Proportional to 12,077.43, 16,659.18 and 8,725.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.43 : 16,659.18 = 8,725.16 : x
2. Step 2: Convert to fraction form
   12,077.43/16,659.18 = 8,725.16/x
3. Step 3: Cross multiply
   12,077.43x = 16,659.18 × 8,725.16
4. Step 4: Simplify right side
   12,077.43x = 145,354,008.99
5. Step 5: Solve for x
   x = 145,354,008.99/12,077.43
6. Step 6: Final answer
   x = 12,035.18