Finding the Fourth Proportional to 10,491.62, 14,479.46 and 7,834.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491.62 : 14,479.46 = 7,834.42 : x
2. Step 2: Convert to fraction form
   10,491.62/14,479.46 = 7,834.42/x
3. Step 3: Cross multiply
   10,491.62x = 14,479.46 × 7,834.42
4. Step 4: Simplify right side
   10,491.62x = 113,438,171.01
5. Step 5: Solve for x
   x = 113,438,171.01/10,491.62
6. Step 6: Final answer
   x = 10,812.26