Finding the Fourth Proportional to 15,433.06, 23,144.79 and 5,571.05

Step by Step Solution

1. Step 1: Write the proportion equation
   15,433.06 : 23,144.79 = 5,571.05 : x
2. Step 2: Convert to fraction form
   15,433.06/23,144.79 = 5,571.05/x
3. Step 3: Cross multiply
   15,433.06x = 23,144.79 × 5,571.05
4. Step 4: Simplify right side
   15,433.06x = 128,940,782.33
5. Step 5: Solve for x
   x = 128,940,782.33/15,433.06
6. Step 6: Final answer
   x = 8,354.84