Finding the Fourth Proportional to 10,625.67, 14,665.55 and 8,103.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,625.67 : 14,665.55 = 8,103.28 : x
2. Step 2: Convert to fraction form
   10,625.67/14,665.55 = 8,103.28/x
3. Step 3: Cross multiply
   10,625.67x = 14,665.55 × 8,103.28
4. Step 4: Simplify right side
   10,625.67x = 118,839,058.00
5. Step 5: Solve for x
   x = 118,839,058.00/10,625.67
6. Step 6: Final answer
   x = 11,184.15