Finding the Fourth Proportional to 10,017.28, 13,823.91 and 5,541.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.28 : 13,823.91 = 5,541.15 : x
2. Step 2: Convert to fraction form
   10,017.28/13,823.91 = 5,541.15/x
3. Step 3: Cross multiply
   10,017.28x = 13,823.91 × 5,541.15
4. Step 4: Simplify right side
   10,017.28x = 76,600,358.90
5. Step 5: Solve for x
   x = 76,600,358.90/10,017.28
6. Step 6: Final answer
   x = 7,646.82