Finding the Fourth Proportional to 10,105.02, 15,147.81 and 4,555.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.02 : 15,147.81 = 4,555.44 : x
2. Step 2: Convert to fraction form
   10,105.02/15,147.81 = 4,555.44/x
3. Step 3: Cross multiply
   10,105.02x = 15,147.81 × 4,555.44
4. Step 4: Simplify right side
   10,105.02x = 69,004,939.59
5. Step 5: Solve for x
   x = 69,004,939.59/10,105.02
6. Step 6: Final answer
   x = 6,828.78