Finding the Fourth Proportional to 16,839.92, 25,258.96 and 5,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.92 : 25,258.96 = 5,152.16 : x
2. Step 2: Convert to fraction form
   16,839.92/25,258.96 = 5,152.16/x
3. Step 3: Cross multiply
   16,839.92x = 25,258.96 × 5,152.16
4. Step 4: Simplify right side
   16,839.92x = 130,138,203.35
5. Step 5: Solve for x
   x = 130,138,203.35/16,839.92
6. Step 6: Final answer
   x = 7,727.96