Finding the Fourth Proportional to 10,018.92, 13,826.34 and 5,542.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.92 : 13,826.34 = 5,542.76 : x
2. Step 2: Convert to fraction form
   10,018.92/13,826.34 = 5,542.76/x
3. Step 3: Cross multiply
   10,018.92x = 13,826.34 × 5,542.76
4. Step 4: Simplify right side
   10,018.92x = 76,636,084.30
5. Step 5: Solve for x
   x = 76,636,084.30/10,018.92
6. Step 6: Final answer
   x = 7,649.14