Finding the Fourth Proportional to 16,665.59, 22,998.56 and 9,112.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,665.59 : 22,998.56 = 9,112.01 : x
2. Step 2: Convert to fraction form
   16,665.59/22,998.56 = 9,112.01/x
3. Step 3: Cross multiply
   16,665.59x = 22,998.56 × 9,112.01
4. Step 4: Simplify right side
   16,665.59x = 209,562,948.15
5. Step 5: Solve for x
   x = 209,562,948.15/16,665.59
6. Step 6: Final answer
   x = 12,574.59