Finding the Fourth Proportional to 10,020.66, 15,034.43 and 4,477.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.66 : 15,034.43 = 4,477.83 : x
2. Step 2: Convert to fraction form
   10,020.66/15,034.43 = 4,477.83/x
3. Step 3: Cross multiply
   10,020.66x = 15,034.43 × 4,477.83
4. Step 4: Simplify right side
   10,020.66x = 67,321,595.30
5. Step 5: Solve for x
   x = 67,321,595.30/10,020.66
6. Step 6: Final answer
   x = 6,718.28