Finding the Fourth Proportional to 16,929.16, 25,394.82 and 5,242.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,929.16 : 25,394.82 = 5,242.84 : x
2. Step 2: Convert to fraction form
   16,929.16/25,394.82 = 5,242.84/x
3. Step 3: Cross multiply
   16,929.16x = 25,394.82 × 5,242.84
4. Step 4: Simplify right side
   16,929.16x = 133,140,978.09
5. Step 5: Solve for x
   x = 133,140,978.09/16,929.16
6. Step 6: Final answer
   x = 7,864.59