Finding the Fourth Proportional to 16,015.18, 22,100.71 and 9,304.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015.18 : 22,100.71 = 9,304.58 : x
2. Step 2: Convert to fraction form
   16,015.18/22,100.71 = 9,304.58/x
3. Step 3: Cross multiply
   16,015.18x = 22,100.71 × 9,304.58
4. Step 4: Simplify right side
   16,015.18x = 205,637,824.25
5. Step 5: Solve for x
   x = 205,637,824.25/16,015.18
6. Step 6: Final answer
   x = 12,840.18