Finding the Fourth Proportional to 10,003.64, 15,014.87 and 5,076.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.64 : 15,014.87 = 5,076.81 : x
2. Step 2: Convert to fraction form
   10,003.64/15,014.87 = 5,076.81/x
3. Step 3: Cross multiply
   10,003.64x = 15,014.87 × 5,076.81
4. Step 4: Simplify right side
   10,003.64x = 76,227,642.16
5. Step 5: Solve for x
   x = 76,227,642.16/10,003.64
6. Step 6: Final answer
   x = 7,619.99