Finding the Fourth Proportional to 10,020.57, 15,022.76 and 4,181.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.57 : 15,022.76 = 4,181.55 : x
2. Step 2: Convert to fraction form
   10,020.57/15,022.76 = 4,181.55/x
3. Step 3: Cross multiply
   10,020.57x = 15,022.76 × 4,181.55
4. Step 4: Simplify right side
   10,020.57x = 62,818,401.17
5. Step 5: Solve for x
   x = 62,818,401.17/10,020.57
6. Step 6: Final answer
   x = 6,268.94