Finding the Fourth Proportional to 16,663.04, 22,994.56 and 9,109.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663.04 : 22,994.56 = 9,109.15 : x
2. Step 2: Convert to fraction form
   16,663.04/22,994.56 = 9,109.15/x
3. Step 3: Cross multiply
   16,663.04x = 22,994.56 × 9,109.15
4. Step 4: Simplify right side
   16,663.04x = 209,460,896.22
5. Step 5: Solve for x
   x = 209,460,896.22/16,663.04
6. Step 6: Final answer
   x = 12,570.39