Finding the Fourth Proportional to 10,019.75, 13,826.97 and 5,543.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.75 : 13,826.97 = 5,543.69 : x
2. Step 2: Convert to fraction form
   10,019.75/13,826.97 = 5,543.69/x
3. Step 3: Cross multiply
   10,019.75x = 13,826.97 × 5,543.69
4. Step 4: Simplify right side
   10,019.75x = 76,652,366.18
5. Step 5: Solve for x
   x = 76,652,366.18/10,019.75
6. Step 6: Final answer
   x = 7,650.13