Finding the Fourth Proportional to 10,079.70, 13,911.41 and 7,256.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.70 : 13,911.41 = 7,256.43 : x
2. Step 2: Convert to fraction form
   10,079.70/13,911.41 = 7,256.43/x
3. Step 3: Cross multiply
   10,079.70x = 13,911.41 × 7,256.43
4. Step 4: Simplify right side
   10,079.70x = 100,947,136.58
5. Step 5: Solve for x
   x = 100,947,136.58/10,079.70
6. Step 6: Final answer
   x = 10,014.89