Finding the Fourth Proportional to 16,709.74, 23,058.57 and 9,154.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,709.74 : 23,058.57 = 9,154.69 : x
2. Step 2: Convert to fraction form
   16,709.74/23,058.57 = 9,154.69/x
3. Step 3: Cross multiply
   16,709.74x = 23,058.57 × 9,154.69
4. Step 4: Simplify right side
   16,709.74x = 211,094,060.19
5. Step 5: Solve for x
   x = 211,094,060.19/16,709.74
6. Step 6: Final answer
   x = 12,632.99