Finding the Fourth Proportional to 11,287.33, 16,947.43 and 8,334.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,287.33 : 16,947.43 = 8,334.88 : x
2. Step 2: Convert to fraction form
   11,287.33/16,947.43 = 8,334.88/x
3. Step 3: Cross multiply
   11,287.33x = 16,947.43 × 8,334.88
4. Step 4: Simplify right side
   11,287.33x = 141,254,732.15
5. Step 5: Solve for x
   x = 141,254,732.15/11,287.33
6. Step 6: Final answer
   x = 12,514.45