Finding the Fourth Proportional to 7,420.38, 11,141.72 and 7,063.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,420.38 : 11,141.72 = 7,063.72 : x
2. Step 2: Convert to fraction form
   7,420.38/11,141.72 = 7,063.72/x
3. Step 3: Cross multiply
   7,420.38x = 11,141.72 × 7,063.72
4. Step 4: Simplify right side
   7,420.38x = 78,701,990.40
5. Step 5: Solve for x
   x = 78,701,990.40/7,420.38
6. Step 6: Final answer
   x = 10,606.19