Finding the Fourth Proportional to 7,337.72, 10,126.06 and 3,980.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,337.72 : 10,126.06 = 3,980.53 : x
2. Step 2: Convert to fraction form
   7,337.72/10,126.06 = 3,980.53/x
3. Step 3: Cross multiply
   7,337.72x = 10,126.06 × 3,980.53
4. Step 4: Simplify right side
   7,337.72x = 40,307,085.61
5. Step 5: Solve for x
   x = 40,307,085.61/7,337.72
6. Step 6: Final answer
   x = 5,493.13