Finding the Fourth Proportional to 7,935.48, 10,949.50 and 5,139.36

Step by Step Solution

1. Step 1: Write the proportion equation
   7,935.48 : 10,949.50 = 5,139.36 : x
2. Step 2: Convert to fraction form
   7,935.48/10,949.50 = 5,139.36/x
3. Step 3: Cross multiply
   7,935.48x = 10,949.50 × 5,139.36
4. Step 4: Simplify right side
   7,935.48x = 56,273,422.32
5. Step 5: Solve for x
   x = 56,273,422.32/7,935.48
6. Step 6: Final answer
   x = 7,091.37