Finding the Fourth Proportional to 10,020.65, 15,034.37 and 4,477.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.65 : 15,034.37 = 4,477.82 : x
2. Step 2: Convert to fraction form
   10,020.65/15,034.37 = 4,477.82/x
3. Step 3: Cross multiply
   10,020.65x = 15,034.37 × 4,477.82
4. Step 4: Simplify right side
   10,020.65x = 67,321,105.11
5. Step 5: Solve for x
   x = 67,321,105.11/10,020.65
6. Step 6: Final answer
   x = 6,718.24