Finding the Fourth Proportional to 10,840.28, 14,959.59 and 5,872.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.28 : 14,959.59 = 5,872.28 : x
2. Step 2: Convert to fraction form
   10,840.28/14,959.59 = 5,872.28/x
3. Step 3: Cross multiply
   10,840.28x = 14,959.59 × 5,872.28
4. Step 4: Simplify right side
   10,840.28x = 87,846,901.17
5. Step 5: Solve for x
   x = 87,846,901.17/10,840.28
6. Step 6: Final answer
   x = 8,103.75