Finding the Fourth Proportional to 10,018.55, 13,825.53 and 5,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.55 : 13,825.53 = 5,542.22 : x
2. Step 2: Convert to fraction form
   10,018.55/13,825.53 = 5,542.22/x
3. Step 3: Cross multiply
   10,018.55x = 13,825.53 × 5,542.22
4. Step 4: Simplify right side
   10,018.55x = 76,624,059.75
5. Step 5: Solve for x
   x = 76,624,059.75/10,018.55
6. Step 6: Final answer
   x = 7,648.22