Finding the Fourth Proportional to 10,015.08, 13,820.24 and 5,538.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,015.08 : 13,820.24 = 5,538.56 : x
2. Step 2: Convert to fraction form
   10,015.08/13,820.24 = 5,538.56/x
3. Step 3: Cross multiply
   10,015.08x = 13,820.24 × 5,538.56
4. Step 4: Simplify right side
   10,015.08x = 76,544,131.66
5. Step 5: Solve for x
   x = 76,544,131.66/10,015.08
6. Step 6: Final answer
   x = 7,642.89