Finding the Fourth Proportional to 11,870.92, 16,383.79 and 7,089.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.92 : 16,383.79 = 7,089.34 : x
2. Step 2: Convert to fraction form
   11,870.92/16,383.79 = 7,089.34/x
3. Step 3: Cross multiply
   11,870.92x = 16,383.79 × 7,089.34
4. Step 4: Simplify right side
   11,870.92x = 116,150,262.57
5. Step 5: Solve for x
   x = 116,150,262.57/11,870.92
6. Step 6: Final answer
   x = 9,784.43