Finding the Fourth Proportional to 11,911.54, 16,435.56 and 7,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.54 : 16,435.56 = 7,196.08 : x
2. Step 2: Convert to fraction form
   11,911.54/16,435.56 = 7,196.08/x
3. Step 3: Cross multiply
   11,911.54x = 16,435.56 × 7,196.08
4. Step 4: Simplify right side
   11,911.54x = 118,271,604.60
5. Step 5: Solve for x
   x = 118,271,604.60/11,911.54
6. Step 6: Final answer
   x = 9,929.16