Finding the Fourth Proportional to 11,833.79, 16,328.34 and 7,118.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,833.79 : 16,328.34 = 7,118.37 : x
2. Step 2: Convert to fraction form
   11,833.79/16,328.34 = 7,118.37/x
3. Step 3: Cross multiply
   11,833.79x = 16,328.34 × 7,118.37
4. Step 4: Simplify right side
   11,833.79x = 116,231,165.61
5. Step 5: Solve for x
   x = 116,231,165.61/11,833.79
6. Step 6: Final answer
   x = 9,821.98