Finding the Fourth Proportional to 11,600.60, 17,487.83 and 10,828.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,600.60 : 17,487.83 = 10,828.17 : x
2. Step 2: Convert to fraction form
   11,600.60/17,487.83 = 10,828.17/x
3. Step 3: Cross multiply
   11,600.60x = 17,487.83 × 10,828.17
4. Step 4: Simplify right side
   11,600.60x = 189,361,196.17
5. Step 5: Solve for x
   x = 189,361,196.17/11,600.60
6. Step 6: Final answer
   x = 16,323.40