Finding the Fourth Proportional to 10,216.26, 14,111.91 and 7,577.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.26 : 14,111.91 = 7,577.28 : x
2. Step 2: Convert to fraction form
   10,216.26/14,111.91 = 7,577.28/x
3. Step 3: Cross multiply
   10,216.26x = 14,111.91 × 7,577.28
4. Step 4: Simplify right side
   10,216.26x = 106,929,893.40
5. Step 5: Solve for x
   x = 106,929,893.40/10,216.26
6. Step 6: Final answer
   x = 10,466.64