Finding the Fourth Proportional to 11,172.71, 16,733.54 and 5,333.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172.71 : 16,733.54 = 5,333.42 : x
2. Step 2: Convert to fraction form
   11,172.71/16,733.54 = 5,333.42/x
3. Step 3: Cross multiply
   11,172.71x = 16,733.54 × 5,333.42
4. Step 4: Simplify right side
   11,172.71x = 89,246,996.91
5. Step 5: Solve for x
   x = 89,246,996.91/11,172.71
6. Step 6: Final answer
   x = 7,987.95