Finding the Fourth Proportional to 10,014.94, 13,819.44 and 5,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,014.94 : 13,819.44 = 5,538.72 : x
2. Step 2: Convert to fraction form
   10,014.94/13,819.44 = 5,538.72/x
3. Step 3: Cross multiply
   10,014.94x = 13,819.44 × 5,538.72
4. Step 4: Simplify right side
   10,014.94x = 76,542,008.72
5. Step 5: Solve for x
   x = 76,542,008.72/10,014.94
6. Step 6: Final answer
   x = 7,642.78