Finding the Fourth Proportional to 10,424.81, 14,386.25 and 5,644.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.81 : 14,386.25 = 5,644.76 : x
2. Step 2: Convert to fraction form
   10,424.81/14,386.25 = 5,644.76/x
3. Step 3: Cross multiply
   10,424.81x = 14,386.25 × 5,644.76
4. Step 4: Simplify right side
   10,424.81x = 81,206,921.50
5. Step 5: Solve for x
   x = 81,206,921.50/10,424.81
6. Step 6: Final answer
   x = 7,789.77