Finding the Fourth Proportional to 12,125.84, 16,727.72 and 7,401.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,125.84 : 16,727.72 = 7,401.92 : x
2. Step 2: Convert to fraction form
   12,125.84/16,727.72 = 7,401.92/x
3. Step 3: Cross multiply
   12,125.84x = 16,727.72 × 7,401.92
4. Step 4: Simplify right side
   12,125.84x = 123,817,245.22
5. Step 5: Solve for x
   x = 123,817,245.22/12,125.84
6. Step 6: Final answer
   x = 10,211.02