Finding the Fourth Proportional to 7,932.72, 10,950.84 and 5,139.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,932.72 : 10,950.84 = 5,139.12 : x
2. Step 2: Convert to fraction form
   7,932.72/10,950.84 = 5,139.12/x
3. Step 3: Cross multiply
   7,932.72x = 10,950.84 × 5,139.12
4. Step 4: Simplify right side
   7,932.72x = 56,277,680.86
5. Step 5: Solve for x
   x = 56,277,680.86/7,932.72
6. Step 6: Final answer
   x = 7,094.37