Finding the Fourth Proportional to 11,046.37, 15,228.39 and 7,897.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,046.37 : 15,228.39 = 7,897.09 : x
2. Step 2: Convert to fraction form
   11,046.37/15,228.39 = 7,897.09/x
3. Step 3: Cross multiply
   11,046.37x = 15,228.39 × 7,897.09
4. Step 4: Simplify right side
   11,046.37x = 120,259,966.39
5. Step 5: Solve for x
   x = 120,259,966.39/11,046.37
6. Step 6: Final answer
   x = 10,886.83