Finding the Fourth Proportional to 15,929.54, 21,984.00 and 9,556.37

Step by Step Solution

1. Step 1: Write the proportion equation
   15,929.54 : 21,984.00 = 9,556.37 : x
2. Step 2: Convert to fraction form
   15,929.54/21,984.00 = 9,556.37/x
3. Step 3: Cross multiply
   15,929.54x = 21,984.00 × 9,556.37
4. Step 4: Simplify right side
   15,929.54x = 210,087,190.30
5. Step 5: Solve for x
   x = 210,087,190.30/15,929.54
6. Step 6: Final answer
   x = 13,188.53