Finding the Fourth Proportional to 11,016.69, 16,512.74 and 4,781.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.69 : 16,512.74 = 4,781.93 : x
2. Step 2: Convert to fraction form
   11,016.69/16,512.74 = 4,781.93/x
3. Step 3: Cross multiply
   11,016.69x = 16,512.74 × 4,781.93
4. Step 4: Simplify right side
   11,016.69x = 78,962,660.31
5. Step 5: Solve for x
   x = 78,962,660.31/11,016.69
6. Step 6: Final answer
   x = 7,167.55