Finding the Fourth Proportional to 10,018.74, 13,825.18 and 5,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.74 : 13,825.18 = 5,542.22 : x
2. Step 2: Convert to fraction form
   10,018.74/13,825.18 = 5,542.22/x
3. Step 3: Cross multiply
   10,018.74x = 13,825.18 × 5,542.22
4. Step 4: Simplify right side
   10,018.74x = 76,622,230.59
5. Step 5: Solve for x
   x = 76,622,230.59/10,018.74
6. Step 6: Final answer
   x = 7,647.89