Finding the Fourth Proportional to 10,018.30, 13,825.08 and 5,541.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.30 : 13,825.08 = 5,541.95 : x
2. Step 2: Convert to fraction form
   10,018.30/13,825.08 = 5,541.95/x
3. Step 3: Cross multiply
   10,018.30x = 13,825.08 × 5,541.95
4. Step 4: Simplify right side
   10,018.30x = 76,617,832.98
5. Step 5: Solve for x
   x = 76,617,832.98/10,018.30
6. Step 6: Final answer
   x = 7,647.79