Finding the Fourth Proportional to 20,535.33, 30,798.29 and 5,745.30

Step by Step Solution

1. Step 1: Write the proportion equation
   20,535.33 : 30,798.29 = 5,745.30 : x
2. Step 2: Convert to fraction form
   20,535.33/30,798.29 = 5,745.30/x
3. Step 3: Cross multiply
   20,535.33x = 30,798.29 × 5,745.30
4. Step 4: Simplify right side
   20,535.33x = 176,945,386.81
5. Step 5: Solve for x
   x = 176,945,386.81/20,535.33
6. Step 6: Final answer
   x = 8,616.63