Finding the Fourth Proportional to 9,576.81, 14,363.69 and 4,900.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,576.81 : 14,363.69 = 4,900.28 : x
2. Step 2: Convert to fraction form
   9,576.81/14,363.69 = 4,900.28/x
3. Step 3: Cross multiply
   9,576.81x = 14,363.69 × 4,900.28
4. Step 4: Simplify right side
   9,576.81x = 70,386,006.51
5. Step 5: Solve for x
   x = 70,386,006.51/9,576.81
6. Step 6: Final answer
   x = 7,349.63