Finding the Fourth Proportional to 11,005.75, 16,470.33 and 10,366.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.75 : 16,470.33 = 10,366.03 : x
2. Step 2: Convert to fraction form
   11,005.75/16,470.33 = 10,366.03/x
3. Step 3: Cross multiply
   11,005.75x = 16,470.33 × 10,366.03
4. Step 4: Simplify right side
   11,005.75x = 170,731,934.89
5. Step 5: Solve for x
   x = 170,731,934.89/11,005.75
6. Step 6: Final answer
   x = 15,512.98