Finding the Fourth Proportional to 7,338.03, 10,126.32 and 3,980.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,338.03 : 10,126.32 = 3,980.72 : x
2. Step 2: Convert to fraction form
   7,338.03/10,126.32 = 3,980.72/x
3. Step 3: Cross multiply
   7,338.03x = 10,126.32 × 3,980.72
4. Step 4: Simplify right side
   7,338.03x = 40,310,044.55
5. Step 5: Solve for x
   x = 40,310,044.55/7,338.03
6. Step 6: Final answer
   x = 5,493.31