Finding the Fourth Proportional to 12,300.11, 18,462.72 and 9,003.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.11 : 18,462.72 = 9,003.41 : x
2. Step 2: Convert to fraction form
   12,300.11/18,462.72 = 9,003.41/x
3. Step 3: Cross multiply
   12,300.11x = 18,462.72 × 9,003.41
4. Step 4: Simplify right side
   12,300.11x = 166,227,437.88
5. Step 5: Solve for x
   x = 166,227,437.88/12,300.11
6. Step 6: Final answer
   x = 13,514.30