Finding the Fourth Proportional to 10,722.87, 16,056.45 and 7,401.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,722.87 : 16,056.45 = 7,401.38 : x
2. Step 2: Convert to fraction form
   10,722.87/16,056.45 = 7,401.38/x
3. Step 3: Cross multiply
   10,722.87x = 16,056.45 × 7,401.38
4. Step 4: Simplify right side
   10,722.87x = 118,839,807.62
5. Step 5: Solve for x
   x = 118,839,807.62/10,722.87
6. Step 6: Final answer
   x = 11,082.84