Finding the Fourth Proportional to 13,845.97, 19,128.27 and 9,077.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,845.97 : 19,128.27 = 9,077.23 : x
2. Step 2: Convert to fraction form
   13,845.97/19,128.27 = 9,077.23/x
3. Step 3: Cross multiply
   13,845.97x = 19,128.27 × 9,077.23
4. Step 4: Simplify right side
   13,845.97x = 173,631,706.29
5. Step 5: Solve for x
   x = 173,631,706.29/13,845.97
6. Step 6: Final answer
   x = 12,540.23