Finding the Fourth Proportional to 11,127.58, 16,564.25 and 10,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,127.58 : 16,564.25 = 10,961.50 : x
2. Step 2: Convert to fraction form
   11,127.58/16,564.25 = 10,961.50/x
3. Step 3: Cross multiply
   11,127.58x = 16,564.25 × 10,961.50
4. Step 4: Simplify right side
   11,127.58x = 181,569,028.35
5. Step 5: Solve for x
   x = 181,569,028.35/11,127.58
6. Step 6: Final answer
   x = 16,317.03