Finding the Fourth Proportional to 16,258.60, 22,434.30 and 9,184.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,258.60 : 22,434.30 = 9,184.12 : x
2. Step 2: Convert to fraction form
   16,258.60/22,434.30 = 9,184.12/x
3. Step 3: Cross multiply
   16,258.60x = 22,434.30 × 9,184.12
4. Step 4: Simplify right side
   16,258.60x = 206,039,303.32
5. Step 5: Solve for x
   x = 206,039,303.32/16,258.60
6. Step 6: Final answer
   x = 12,672.63