Finding the Fourth Proportional to 11,661.33, 16,098.56 and 7,904.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.33 : 16,098.56 = 7,904.32 : x
2. Step 2: Convert to fraction form
   11,661.33/16,098.56 = 7,904.32/x
3. Step 3: Cross multiply
   11,661.33x = 16,098.56 × 7,904.32
4. Step 4: Simplify right side
   11,661.33x = 127,248,169.78
5. Step 5: Solve for x
   x = 127,248,169.78/11,661.33
6. Step 6: Final answer
   x = 10,911.98