Finding the Fourth Proportional to 16,479.78, 24,721.56 and 5,383.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,479.78 : 24,721.56 = 5,383.32 : x
2. Step 2: Convert to fraction form
   16,479.78/24,721.56 = 5,383.32/x
3. Step 3: Cross multiply
   16,479.78x = 24,721.56 × 5,383.32
4. Step 4: Simplify right side
   16,479.78x = 133,084,068.38
5. Step 5: Solve for x
   x = 133,084,068.38/16,479.78
6. Step 6: Final answer
   x = 8,075.60