Finding the Fourth Proportional to 10,619.08, 14,655.81 and 7,644.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.08 : 14,655.81 = 7,644.76 : x
2. Step 2: Convert to fraction form
   10,619.08/14,655.81 = 7,644.76/x
3. Step 3: Cross multiply
   10,619.08x = 14,655.81 × 7,644.76
4. Step 4: Simplify right side
   10,619.08x = 112,040,150.06
5. Step 5: Solve for x
   x = 112,040,150.06/10,619.08
6. Step 6: Final answer
   x = 10,550.83