Finding the Fourth Proportional to 11,832.89, 16,331.22 and 7,117.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,832.89 : 16,331.22 = 7,117.07 : x
2. Step 2: Convert to fraction form
   11,832.89/16,331.22 = 7,117.07/x
3. Step 3: Cross multiply
   11,832.89x = 16,331.22 × 7,117.07
4. Step 4: Simplify right side
   11,832.89x = 116,230,354.27
5. Step 5: Solve for x
   x = 116,230,354.27/11,832.89
6. Step 6: Final answer
   x = 9,822.66