Finding the Fourth Proportional to 11,046.35, 15,224.28 and 7,678.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,046.35 : 15,224.28 = 7,678.37 : x
2. Step 2: Convert to fraction form
   11,046.35/15,224.28 = 7,678.37/x
3. Step 3: Cross multiply
   11,046.35x = 15,224.28 × 7,678.37
4. Step 4: Simplify right side
   11,046.35x = 116,897,654.82
5. Step 5: Solve for x
   x = 116,897,654.82/11,046.35
6. Step 6: Final answer
   x = 10,582.47