Finding the Fourth Proportional to 7,178.22, 10,706.18 and 7,053.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,178.22 : 10,706.18 = 7,053.62 : x
2. Step 2: Convert to fraction form
   7,178.22/10,706.18 = 7,053.62/x
3. Step 3: Cross multiply
   7,178.22x = 10,706.18 × 7,053.62
4. Step 4: Simplify right side
   7,178.22x = 75,517,236.57
5. Step 5: Solve for x
   x = 75,517,236.57/7,178.22
6. Step 6: Final answer
   x = 10,520.33