Finding the Fourth Proportional to 10,018.50, 13,824.43 and 5,541.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.50 : 13,824.43 = 5,541.54 : x
2. Step 2: Convert to fraction form
   10,018.50/13,824.43 = 5,541.54/x
3. Step 3: Cross multiply
   10,018.50x = 13,824.43 × 5,541.54
4. Step 4: Simplify right side
   10,018.50x = 76,608,631.82
5. Step 5: Solve for x
   x = 76,608,631.82/10,018.50
6. Step 6: Final answer
   x = 7,646.72