Finding the Fourth Proportional to 10,942.62, 15,079.75 and 7,953.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,942.62 : 15,079.75 = 7,953.72 : x
2. Step 2: Convert to fraction form
   10,942.62/15,079.75 = 7,953.72/x
3. Step 3: Cross multiply
   10,942.62x = 15,079.75 × 7,953.72
4. Step 4: Simplify right side
   10,942.62x = 119,940,089.29
5. Step 5: Solve for x
   x = 119,940,089.29/10,942.62
6. Step 6: Final answer
   x = 10,960.82