Finding the Fourth Proportional to 10,018.10, 13,826.22 and 5,543.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.10 : 13,826.22 = 5,543.26 : x
2. Step 2: Convert to fraction form
   10,018.10/13,826.22 = 5,543.26/x
3. Step 3: Cross multiply
   10,018.10x = 13,826.22 × 5,543.26
4. Step 4: Simplify right side
   10,018.10x = 76,642,332.28
5. Step 5: Solve for x
   x = 76,642,332.28/10,018.10
6. Step 6: Final answer
   x = 7,650.39