Finding the Fourth Proportional to 10,003.36, 15,014.46 and 5,076.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.36 : 15,014.46 = 5,076.53 : x
2. Step 2: Convert to fraction form
   10,003.36/15,014.46 = 5,076.53/x
3. Step 3: Cross multiply
   10,003.36x = 15,014.46 × 5,076.53
4. Step 4: Simplify right side
   10,003.36x = 76,221,331.24
5. Step 5: Solve for x
   x = 76,221,331.24/10,003.36
6. Step 6: Final answer
   x = 7,619.58