Finding the Fourth Proportional to 7,938.47, 10,950.12 and 5,109.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,938.47 : 10,950.12 = 5,109.53 : x
2. Step 2: Convert to fraction form
   7,938.47/10,950.12 = 5,109.53/x
3. Step 3: Cross multiply
   7,938.47x = 10,950.12 × 5,109.53
4. Step 4: Simplify right side
   7,938.47x = 55,949,911.89
5. Step 5: Solve for x
   x = 55,949,911.89/7,938.47
6. Step 6: Final answer
   x = 7,047.95