Finding the Fourth Proportional to 10,019.97, 13,826.36 and 5,543.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.97 : 13,826.36 = 5,543.11 : x
2. Step 2: Convert to fraction form
   10,019.97/13,826.36 = 5,543.11/x
3. Step 3: Cross multiply
   10,019.97x = 13,826.36 × 5,543.11
4. Step 4: Simplify right side
   10,019.97x = 76,641,034.38
5. Step 5: Solve for x
   x = 76,641,034.38/10,019.97
6. Step 6: Final answer
   x = 7,648.83