Finding the Fourth Proportional to 10,018.57, 15,003.25 and 8,030.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.57 : 15,003.25 = 8,030.23 : x
2. Step 2: Convert to fraction form
   10,018.57/15,003.25 = 8,030.23/x
3. Step 3: Cross multiply
   10,018.57x = 15,003.25 × 8,030.23
4. Step 4: Simplify right side
   10,018.57x = 120,479,548.25
5. Step 5: Solve for x
   x = 120,479,548.25/10,018.57
6. Step 6: Final answer
   x = 12,025.62